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What Is Hhns Diabetes?

Diabetic Hyperglycemic Hyperosmolar Syndrome

Diabetic Hyperglycemic Hyperosmolar Syndrome

What is diabetic hyperglycemic hyperosmolar syndrome? Hyperglycemic hyperosmolar syndrome (HHS) is a potentially life-threatening condition involving extremely high blood sugar, or glucose, levels. Any illness that causes dehydration or reduced insulin activity can lead to HHS. It’s most commonly a result of uncontrolled or undiagnosed diabetes. An illness or infection can trigger HHS. Failure to monitor and control blood glucose levels can also lead to HHS. When your blood sugar gets too high, the kidneys try to compensate by removing some of the excess glucose through urination. If you don’t drink enough fluids to replace the fluid you’re losing, your blood sugar levels spike. Your blood also becomes more concentrated. This can also occur if you drink too many sugary beverages. This condition is called hyperosmolarity. Blood that’s too concentrated begins to draw water out of other organs, including the brain. Some possible symptoms are excessive thirst, increased urination, and fever. Symptoms may develop slowly and increase over a period of days or weeks. Treatment involves reversing or preventing dehydration and getting blood glucose levels under control. Prompt treatment can relieve symptoms within a few hours. Untreated HHS can lead to life-threatening complications, including dehydration, shock, or coma. Go to an emergency room or call 911 if you have symptoms of HHS. This is a medical emergency. HHS can happen to anyone. It’s more common in older people who have type 2 diabetes. Symptoms may begin gradually and worsen over a few days or weeks. A high blood sugar level is a warning sign of HHS. The symptoms include: excessive thirst high urine output dry mouth weakness sleepiness a fever warm skin that doesn’t perspire nausea vomiting weight loss leg Continue reading >>

Dka Vs Hhs (hhns) Nclex Review

Dka Vs Hhs (hhns) Nclex Review

Diabetic ketoacidosis vs hyperglycemic hyperosmolar nonketotic syndrome (HHNS or HHS): What are the differences between these two complications of diabetes mellitus? This NCLEX review will simplify the differences between DKA and HHNS and give you a video lecture that easily explains their differences. Many students get these two complications confused due to their similarities, but there are major differences between these two complications. After reviewing this NCLEX review, don’t forget to take the quiz on DKA vs HHNS. Lecture on DKA and HHS DKA vs HHNS Diabetic Ketoacidosis Affects mainly Type 1 diabetics Ketones and Acidosis present Hyperglycemia presents >300 mg/dL Variable osmolality Happens Suddenly Causes: no insulin present in the body or illness/infection Seen in young or undiagnosed diabetics Main problems are hyperglycemia, ketones, and acidosis (blood pH <7.35) Clinical signs/symptoms: Kussmaul breathing, fruity breath, abdominal pain Treatment is the same as in HHNS (fluids, electrolyte replacement, and insulin) Watch potassium levels closely when giving insulin and make sure the level is at least 3.3 before administrating. Hyperglycemic Hyperosmolar Nonketotic Syndrome Affects mainly Type 2 diabetics No ketones or acidosis present EXTREME Hyperglycemia (remember heavy-duty hyperglycemia) >600 mg/dL sometimes four digits High Osmolality (more of an issue in HHNS than DKA) Happens Gradually Causes: mainly illness or infection and there is some insulin present which prevents the breakdown of ketones Seen in older adults due to illness or infection Main problems are dehydration & heavy-duty hyperglycemia and hyperosmolarity (because the glucose is so high it makes the blood very concentrated) More likely to have mental status changes due to severe dehydrat Continue reading >>

Hyperosmolar Hyperglycemic State: A Historic Review Of The Clinical Presentation, Diagnosis, And Treatment

Hyperosmolar Hyperglycemic State: A Historic Review Of The Clinical Presentation, Diagnosis, And Treatment

Go to: The hyperosmolar hyperglycemic state (HHS) is a syndrome characterized by severe hyperglycemia, hyperosmolality, and dehydration in the absence of ketoacidosis. The exact incidence of HHS is not known, but it is estimated to account for <1% of hospital admissions in patients with diabetes (1). Most cases of HHS are seen in elderly patients with type 2 diabetes; however, it has also been reported in children and young adults (2). The overall mortality rate is estimated to be as high as 20%, which is about 10 times higher than the mortality in patients with diabetic ketoacidosis (DKA) (3–5). The prognosis is determined by the severity of dehydration, presence of comorbidities, and advanced age (4,6,7). Treatment of HHS is directed at replacing volume deficit and correcting hyperosmolality, hyperglycemia, and electrolyte disturbances, as well as management of the underlying illness that precipitated the metabolic decompensation. Low-dose insulin infusion protocols designed for treating DKA appear to be effective; however, no prospective randomized studies have determined best treatment strategies for the management of patients with HHS. Herein, we present an extensive review of the literature on diabetic coma and HHS to provide a historical perspective on the clinical presentation, diagnosis, and management of this serious complication of diabetes. History of Diabetic Coma and HHS In 1828, in the textbook Versuch einer Pathologie und Therapie des Diabetes Mellitus, August W. von Stosch gave the first detailed clinical description of diabetic coma in an adult patient with severe polydipsia, polyuria, and a large amount of glucose in the urine followed by progressive decline in mental status and death (8). Several case reports followed this publication, describing p Continue reading >>

Hyperosmolar Hyperglycemic Nonketotic Syndrome (hhns)

Hyperosmolar Hyperglycemic Nonketotic Syndrome (hhns)

Those who have diabetes know that control of this disease can be a complex juggling act. Maintaining stable blood glucose levels is the goal of sticking to a healthful diet and exercising regularly. No matter how hard we work to achieve this goal, however, there are unexpected situations that can cause us to lose that control. Physiological stressors, if severe enough, can have a profound effect on metabolism. If we are laid up due to injury for an extended period of time, unable to maintain our exercise regimen, our bodies react. Fever and digestive illnesses can lead to dehydration. Suffering stressful events like a heart attack or stroke, or even being treated for cancer, can lead to dramatic changes in metabolism. Sometimes it is the treatment that causes problems. There are certain drugs that can decrease the efficacy of insulin in our bodies (glucocorticoids). There are other drugs that can increase fluid loss, such as diuretics. What Is HHNS? Hyperosmolar refers to increased osmosis, or heightened passage of fluids through the cell walls, causing increased urine output. Hyperglycemic means blood sugar levels are too high. (HHNS generally occurs when blood glucose levels reach 600 mg/dl or more.) Nonketotic references the lack of ketones excreted in the urine, meaning that fat is not being metabolized for energy. Syndrome simply means these three medical issues are occurring together. How Does HHNS Happen? Poorly controlled blood sugar levels cause increased levels of glucose to pass through the kidneys for excretion in the urine. This stimulates the production of urine as a carrier for the glucose. This additional fluid is drawn from cells throughout the body, including blood cells, causing dehydration. With dehydration, the blood becomes thicker and is no longer Continue reading >>

Difference Between Dka And Hhnk

Difference Between Dka And Hhnk

DKA vs HHNK The body normally functions to control the intake of glucose into the cells. In normal cases, insulin is supplied endogenously in order for the body to get the much needed glucose into the cell and out from the bloodstream, but the normal physiology of the body can be disrupted every once in a while. Because of the diet that people have and their lifestyle, it is common nowadays to see cases of diabetes. Type II Diabetes is the type of diabetes that develops insulin resistance to the cells. There are a number of symptoms that people experience whenever they have a dysfunctional system that pertains to the control of the blood sugar. In type II diabetes, one of the most common signs is uncontrolled weight loss and whenever the person’s blood is taken, there are instances of hyperglycemia. Normally, you would want to get your blood glucose level within 80-120 mg/dl. But because of the fact that resistance is present during type II diabetes – unlike Type I diabetes where production itself is limited – it is expected that the glucose is found in the bloodstream rather than in the cells. Two of the worst complications of diabetes are DKA and HHNK. There are striking disparities between these two diseases when it comes to pathophysiology and other aspects. DKA is called diabetic ketoacidosis and is one of the deadliest complications that one can experience in diabetes. On the other hand, HHNK, which literally means hyperosmolar hyperglycemic non-ketoacidosis or simply non-ketoacidotic coma. The similarity between HHNK and DKA is the fact that both are potenitally life threatening and should be managed as soon as possible. DKA is caused by the shortage of insulin. It happens both in type I and type II diabetes. Whenever the body feels that there is a shortage Continue reading >>

Treatment Of Hyperglycaemic Hyperosmolar Non-ketotic Syndrome.

Treatment Of Hyperglycaemic Hyperosmolar Non-ketotic Syndrome.

Abstract Hyperglycaemic hyperosmolar non-ketotic syndrome (HHNS) is a life-threatening complication of uncontrolled diabetes mellitus. This syndrome is characterised by severe hyperglycaemia, a marked increase in serum osmolality, and clinical evidence of dehydration without significant accumulation of ketoacids. HHNS is typically observed in elderly patients with non-insulin-dependent diabetes mellitus, although it may rarely be a complication in younger patients with insulin-dependent diabetes, or those without diabetes following severe burns, parenteral hyperalimentation, peritoneal dialysis, or haemodialysis. Patients receiving certain drugs including diuretics, corticosteroids, beta-blockers, phenytoin, and diazoxide are at increased risk of developing this syndrome. Patients usually present with a prolonged phase of osmotic diuresis leading to severe depletion of both the intracellular and extracellular fluid volumes. Losses of water exceed those of sodium, resulting in hypertonic dehydration. Therefore, correction of the syndrome will ultimately require administration of hypotonic fluids. Patients presenting with HHNS also have significant depletion of potassium and other electrolytes that will need to be replaced. The principal goal at the outset of therapy must be restoration of the intravascular volume to assure adequate perfusion of vital organs. It remains controversial whether 0.9% or 0.45% NaCl should be the initial fluid infused intravenously. We prefer to administer 0.9% NaCl until the vital signs have stabilised and then substitute 0.45% NaCl. 10 to 15 units of regular human insulin should be injected as a bolus, followed by a continuous infusion of approximately 0.1 U/kg/h. Once the blood glucose approaches 13.9 to 16.7 mmol/L (250 to 300) mg/dl, 5% de Continue reading >>

Hyperosmolar Hyperglycemic State

Hyperosmolar Hyperglycemic State

Hyperosmolar hyperglycemic state (HHS) is a complication of diabetes mellitus in which high blood sugar results in high osmolarity without significant ketoacidosis.[4] Symptoms include signs of dehydration, weakness, legs cramps, trouble seeing, and an altered level of consciousness.[2] Onset is typically over days to weeks.[3] Complications may include seizures, disseminated intravascular coagulopathy, mesenteric artery occlusion, or rhabdomyolysis.[2] The main risk factor is a history of diabetes mellitus type 2.[4] Occasionally it may occur in those without a prior history of diabetes or those with diabetes mellitus type 1.[3][4] Triggers include infections, stroke, trauma, certain medications, and heart attacks.[4] Diagnosis is based on blood tests finding a blood sugar greater than 30 mmol/L (600 mg/dL), osmolarity greater than 320 mOsm/kg, and a pH above 7.3.[2][3] Initial treatment generally consists of intravenous fluids to manage dehydration, intravenous insulin in those with significant ketones, low molecular weight heparin to decrease the risk of blood clotting, and antibiotics among those in whom there is concerns of infection.[3] The goal is a slow decline in blood sugar levels.[3] Potassium replacement is often required as the metabolic problems are corrected.[3] Efforts to prevent diabetic foot ulcers are also important.[3] It typically takes a few days for the person to return to baseline.[3] While the exact frequency of the condition is unknown, it is relatively common.[2][4] Older people are most commonly affected.[4] The risk of death among those affected is about 15%.[4] It was first described in the 1880s.[4] Signs and symptoms[edit] Symptoms of high blood sugar including increased thirst (polydipsia), increased volume of urination (polyurea), and i Continue reading >>

Hyperosmolar Hyperglycemic State (hhs)

Hyperosmolar Hyperglycemic State (hhs)

By Erika F. Brutsaert, MD, Assistant Professor, Albert Einstein College of Medicine; Attending Physician, Montefiore Medical Center Hyperosmolar hyperglycemic state is a metabolic complication of diabetes mellitus (DM) characterized by severe hyperglycemia, extreme dehydration, hyperosmolar plasma, and altered consciousness. It most often occurs in type 2 DM, often in the setting of physiologic stress. HHS is diagnosed by severe hyperglycemia and plasma hyperosmolality and absence of significant ketosis. Treatment is IV saline solution and insulin. Complications include coma, seizures, and death. Hyperosmolar hyperglycemic state (HHSpreviously referred to as hyperglycemic hyperosmolar nonketotic coma [HHNK] and nonketotic hyperosmolar syndrome) is a complication of type 2 diabetes mellitus and has an estimated mortality rate of up to20%, which is significantly higher than the mortality for diabetic ketoacidosis (currently < 1%). It usually develops after a period of symptomatic hyperglycemia in which fluid intake is inadequate to prevent extreme dehydration due to the hyperglycemia-induced osmotic diuresis. Acute infections and other medical conditions Drugs that impair glucose tolerance (glucocorticoids) or increase fluid loss (diuretics) Serum ketones are not present because the amounts of insulin present in most patients with type 2 DM are adequate to suppress ketogenesis. Because symptoms of acidosis are not present, most patients endure a significantly longer period of osmotic dehydration before presentation, and thus plasma glucose (> 600 mg/dL [> 33.3 mmol/L]) and osmolality (> 320 mOsm/L) are typically much higher than in diabetic ketoacidosis (DKA). The primary symptom of HHS is altered consciousness varying from confusion or disorientation to coma, usually as Continue reading >>

Diabetic Hyperosmolar Syndrome

Diabetic Hyperosmolar Syndrome

Print Overview Diabetic hyperosmolar (hi-pur-oz-MOE-lur) syndrome is a serious condition caused by extremely high blood sugar levels. The condition most commonly occurs in people with type 2 diabetes. It's often triggered by illness or infection. As a result of diabetic hyperosmolar syndrome, your body tries to rid itself of the excess blood sugar by passing it into your urine. Left untreated, diabetic hyperosmolar syndrome can lead to life-threatening dehydration. Prompt medical care is essential. Symptoms Diabetic hyperosmolar syndrome can take days or weeks to develop. Possible signs and symptoms include: Blood sugar level of 600 milligrams per deciliter (mg/dL) or 33.3 millimoles per liter (mmol/L) or higher Excessive thirst Dry mouth Increased urination Warm, dry skin Fever Drowsiness, confusion Hallucinations Vision loss Convulsions Coma When to see a doctor Consult your doctor if your blood sugar is persistently higher than the target range your doctor recommends, or if you have signs or symptoms of diabetic hyperosmolar syndrome, such as: Excessive thirst Increased urination Warm, dry skin Dry mouth Fever Seek emergency care if: Your blood sugar level is 400 mg/dL (22.2 mmol/L) or higher and doesn't improve despite following your doctor's instructions for treatment. Don't wait until your blood sugar is high enough to cause diabetic hyperosmolar syndrome. You have confusion, vision changes or other signs of dehydration. Causes Diabetic hyperosmolar syndrome may be triggered by: Illness or infection Not following a diabetes treatment plan or having an inadequate treatment plan Certain medications, such as water pills (diuretics) Sometimes undiagnosed diabetes results in diabetic hyperosmolar syndrome. Risk factors Your risk of developing diabetic hyperosmolar synd Continue reading >>

Hyperosmolar Hyperglycemic Nonketotic Syndrome

Hyperosmolar Hyperglycemic Nonketotic Syndrome

Tweet Hyperosmolar Hyperglycemic Nonketotic Syndrome (HHNS), also known as Hyperosmolar Hyperglycaemic State (HHS) is a dangerous condition resulting from very high blood glucose levels. HHNS can affect both types of diabetics, yet it usually occurs amongst people with type 2 diabetes. Usually, HHNS is brought on by an illness or infection. What are the major warning signs of HHS for people with diabetes? Elevated blood sugar levels Extreme thirst Warm skin without sweat Fever Confusion or feeling sleepy Vision loss Hallucinations Nausea Weakness down one side of the body Who is at risk of Hyperosmolar Hyperglycaemic State? Periods of illness can significantly raise blood glucose levels, which could lead to Hyperosmolar Hyperglycaemic State (HHS) if medication is not sufficient to lower sugar levels. Having blood glucose levels above 33 mmol/l (600 mg/dl) for extended periods of time presents a risk of HHS occurring. Some serious complications of diabetes, such as Hyperosmolar Hyperglycemic Nonketotic Syndrome (HHNS), usually manifest themselves amongst older people, who may be less aware of high blood glucose levels and how to treat them. What happens to diabetics who get HHNS? When HHNS affects a person with diabetes, blood sugar levels rise and the body passes excess sugar into the urine. This causes regular bathroom trips, and over time this affects the colour of the liquid. Dehydration can occur if you do not drink liquid regularly, and this can become severe and lead to coma, seizures and even death. What is the best way for people with diabetes to avoid HHNS? If you keep on top of your blood sugar levels, it is possible to avoid HHNS. By checking blood glucose regularly, people with diabetes can take action if a reading falls outside their target blood glucose ra Continue reading >>

Diabetic Ketoacidosis And Hyperglycemic Hyperosmolar Syndrome

Diabetic Ketoacidosis And Hyperglycemic Hyperosmolar Syndrome

In Brief Diabetic ketoacidosis (DKA) and hyperosmolar hyperglycemic syndrome (HHS) are two acute complications of diabetes that can result in increased morbidity and mortality if not efficiently and effectively treated. Mortality rates are 2–5% for DKA and 15% for HHS, and mortality is usually a consequence of the underlying precipitating cause(s) rather than a result of the metabolic changes of hyperglycemia. Effective standardized treatment protocols, as well as prompt identification and treatment of the precipitating cause, are important factors affecting outcome. The two most common life-threatening complications of diabetes mellitus include diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar syndrome (HHS). Although there are important differences in their pathogenesis, the basic underlying mechanism for both disorders is a reduction in the net effective concentration of circulating insulin coupled with a concomitant elevation of counterregulatory hormones (glucagon, catecholamines, cortisol, and growth hormone). These hyperglycemic emergencies continue to be important causes of morbidity and mortality among patients with diabetes. DKA is reported to be responsible for more than 100,000 hospital admissions per year in the United States1 and accounts for 4–9% of all hospital discharge summaries among patients with diabetes.1 The incidence of HHS is lower than DKA and accounts for <1% of all primary diabetic admissions.1 Most patients with DKA have type 1 diabetes; however, patients with type 2 diabetes are also at risk during the catabolic stress of acute illness.2 Contrary to popular belief, DKA is more common in adults than in children.1 In community-based studies, more than 40% of African-American patients with DKA were >40 years of age and more than 2 Continue reading >>

The Connection Between Diabetes And Hyperosmolar Hyperglycemic Nonketotic Syndrome

The Connection Between Diabetes And Hyperosmolar Hyperglycemic Nonketotic Syndrome

I fielded a question the other day on my Facebook page asking if I’ve ever head about a condition called HHNS or hyperosmolar hyperglycemic nonketotic syndrome. HHNS can happen to people with either type 1 or type 2 diabetes that is not being controlled properly. What is HHNS though, and is it really similar to diabetic ketoacidosis? Let’s take a closer look! What Is HHNS? People with type 2 diabetes are at greater risk of hyperosmolar hyperglycemic nonketotic syndrome (HHNS). Even though it is possible, it is very rare in people with type 1 diabetes can develop HHNS. HHNS is a medical emergency caused by very high blood sugar, typically over 600 mg/dL. Your kidneys try to get rid of the extra blood sugar by putting more sugar into the urine. This makes you urinate more and you lose too much body fluid, causing dehydration. As you lose fluids, your blood becomes thicker and your blood sugar level gets too high for the kidneys to be able to fix. With the high blood sugar and dehydration there is also an imbalance of minerals, especially sodium and potassium in the blood. The imbalance of fluids, glucose, and minerals in the body can lead to severe problems, such as brain swelling, abnormal heart rhythms, seizures, coma, or organ failure. Without rapid treatment, HHNS can cause death. Signs & Symptoms Of HHNS? As mentioned earlier, HHS can happen to anyone, but it is more common in older individuals who have type 2 diabetes. Symptoms may begin gradually and worsen over a few days or weeks. A high blood sugar level is a warning sign of HHS. I also found it very interesting that the symptoms are very similar to diabetic ketoacidosis (DKA) so it’s extremely important to be aware and if you suspect anything out of the ordinary, it’s imperative that you call 911 or get Continue reading >>

What Is Hyperosmolar Hyperglycemic Nonketotic Syndrome?

What Is Hyperosmolar Hyperglycemic Nonketotic Syndrome?

Having diabetes means that there is too much sugar (glucose) in your blood. When you eat food, your body breaks down much of the food into glucose. Your blood carries the glucose to the cells of your body. An organ in your upper belly, called the pancreas, makes and releases a hormone called insulin when it detects glucose. Your body uses insulin to help move the glucose from the bloodstream into the cells for energy. When your body does not make insulin (type 1 diabetes), or has trouble using insulin (type 2 diabetes), glucose cannot get into your cells. The glucose level in your blood goes up. Too much glucose in your blood (also called hyperglycemia or high blood sugar) can cause many problems. People with type 2 diabetes are at risk for a problem called hyperosmolar hyperglycemic nonketotic syndrome (HHNS). It is very rare in people with type 1 diabetes. HHNS is an emergency caused by very high blood sugar, often over 600 mg/dL. Your kidneys try to get rid of the extra blood sugar by putting more sugar into the urine. This makes you urinate more and you lose too much body fluid, causing dehydration. As you lose fluids, your blood becomes thicker and your blood sugar level gets too high for the kidneys to be able to fix. With the high blood sugar and dehydration there is also an imbalance of minerals, especially sodium and potassium in the blood. The imbalance of fluids, glucose, and minerals in the body can lead to severe problems, such as brain swelling, abnormal heart rhythms, seizures, coma, or organ failure. Without rapid treatment, HHNS can cause death. What can I expect in the hospital? You will need to stay in the hospital in order to bring your blood sugar level under control and treat the cause of the HHNS. Several things may be done while you are in the ho Continue reading >>

Hyperosmolar Hyperglycemic State

Hyperosmolar Hyperglycemic State

Author: Dipa Avichal, DO; Chief Editor: George T Griffing, MD more... Hyperosmolar hyperglycemic state (HHS) isone of two serious metabolic derangements that occurs in patients with diabetes mellitus (DM). [ 1 ] It is alife-threatening emergency that, although less common than its counterpart, diabetic ketoacidosis (DKA), has a much higher mortality rate, reaching up to 5-10%. (See Epidemiology.) HHS was previously termed hyperosmolar hyperglycemic nonketotic coma (HHNC); however, the terminology was changed because coma is found in fewer than 20% of patients with HHS. [ 2 ] HHS is most commonly seen in patients with type 2DM who have some concomitant illness that leads to reduced fluid intake, as seen, for example, in elderly institutionalizedpersons with decreased thirst perception andreduced ability to drink water. [ 3 ] Infection is the most common preceding illness, but many other conditions, such as stroke or myocardial infarction, can cause this state. [ 3 ] Once HHS has developed, it may be difficult to identify or differentiate it from the antecedent illness. (See Etiology.) HHS is characterized by hyperglycemia, hyperosmolarity, and dehydration without significant ketoacidosis. Most patients present with severe dehydration and focal or global neurologic deficits. [ 2 , 4 , 5 ] The clinical features of HHS and DKA overlap and are observed simultaneously (overlap cases) in up toone thirdof cases. According to the consensus statement published by the American Diabetes Association, diagnostic features of HHS may include the following (see Workup) [ 4 , 6 ] : Plasma glucose level of 600 mg/dL or greater Effective serum osmolality of 320 mOsm/kg or greater Profound dehydration, up to an average of 9L Bicarbonate concentration greater than 15 mEq/L Small ketonuria a Continue reading >>

Acute Complications Of Diabetes - Hyperosmolar Hyperglycemic Nonketotic State

Acute Complications Of Diabetes - Hyperosmolar Hyperglycemic Nonketotic State

- [Voiceover] Diabetes mellitus and its associated complications are the 8th leading cause of death worldwide. Now normally we think of both type 1 and type 2 diabetes as being more chronic conditions that result in complications such as kidney disease and cardiovascular disease over years to decades. And this is true, but there are also a couple of very important acute complications of diabetes mellitus. And these are known as diabetic ketoacidosis, or DKA for short, and hyperosmolar hyperglycemic non-ketotic state, or HHNS for short. And unfortunately these acute complications can be very serious, especially HHNS, which has a mortality rate of eight to 20%. In this video, let's discuss hyperosmolar hyperglycemic non-ketotic state. Now the name hyperosmolar hyperglycemic non-ketotic state is pretty descriptive in regards to the metabolism that underlies the disease. However, it does not really describe the clinical presentation of the condition. So let's start with that. And most commonly, someone with HHNS has already been diagnosed with diabetes, and this occurs sometime after their initial diagnosis. And since they have diabetes, they likely will have hyperglycemia, which is one of the defining characteristics of diabetes mellitus. And as we'll discuss in just a minute, it's this hyperglycemia that's driving a lot of the events that are occurring in HHNS. Now over a period of days to weeks, someone with HHNS is gonna become pretty sick, and they're gonna have symptoms of fatigue, maybe some weight loss. They're gonna have extreme thirst and frequent urination. On physical exam they'll have signs of dehydration, such as a high heart rate, known as tachycardia, a low blood pressure known as hypotension, the mucus membranes in their mouth may be dry, and their skin may Continue reading >>

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