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Acidosis Ph Level

Acidosis

Acidosis

For acidosis referring to acidity of the urine, see renal tubular acidosis. "Acidemia" redirects here. It is not to be confused with Academia. Acidosis is a process causing increased acidity in the blood and other body tissues (i.e., an increased hydrogen ion concentration). If not further qualified, it usually refers to acidity of the blood plasma. The term acidemia describes the state of low blood pH, while acidosis is used to describe the processes leading to these states. Nevertheless, the terms are sometimes used interchangeably. The distinction may be relevant where a patient has factors causing both acidosis and alkalosis, wherein the relative severity of both determines whether the result is a high, low, or normal pH. Acidosis is said to occur when arterial pH falls below 7.35 (except in the fetus – see below), while its counterpart (alkalosis) occurs at a pH over 7.45. Arterial blood gas analysis and other tests are required to separate the main causes. The rate of cellular metabolic activity affects and, at the same time, is affected by the pH of the body fluids. In mammals, the normal pH of arterial blood lies between 7.35 and 7.50 depending on the species (e.g., healthy human-arterial blood pH varies between 7.35 and 7.45). Blood pH values compatible with life in mammals are limited to a pH range between 6.8 and 7.8. Changes in the pH of arterial blood (and therefore the extracellular fluid) outside this range result in irreversible cell damage.[1] Signs and symptoms[edit] General symptoms of acidosis.[2] These usually accompany symptoms of another primary defect (respiratory or metabolic). Nervous system involvement may be seen with acidosis and occurs more often with respiratory acidosis than with metabolic acidosis. Signs and symptoms that may be seen i Continue reading >>

What Is Acidosis? Acidosis Causes & Treatment | High Alkaline Diet

What Is Acidosis? Acidosis Causes & Treatment | High Alkaline Diet

DEFINITION: Acidosis is an increased acidity in the blood and other body tissue. Acidosis is said to occur when arterial pH falls below 7.35. The pH level of our blood affects every cell in our body. Chronic acidosis corrodes body tissue, and if left unchecked, will interrupt all cellular activities and functions. HIGH ACID-FORMING FOODS and DIETS all lead to ACIDOSIS. Living a fast-paced daily lifestyle, such as eating on the run, will lead people to face constant symptoms of indigestion and growing endangerment of over-acidification (Acidosis) of the body cells, which will interrupt cellular activities and functions. It is a major root of sickness and disease. Having our cells constantly exposed to an acidic environment leads to acidosis and then chronic acidosis and, finally, various forms of disease such as cancer and many more! Studies have shown that an acidic, anaerobic (which is also the lack of oxygen) body environment encourages the breeding of fungus, mold, bacteria, and viruses. As a result, our inner biological terrain shifts from a healthy oxygenated, alkaline environment to an unhealthy acidic one (acidic pH scale). This forces the body to constantly deplete its cellular energy to neutralize and detoxify these acids before they can act as poisons in and around the cells, ultimately changing the environment of each cell and finally compromising its immune system, leaving it vulnerable to the ravages of disease to take a foothold in the body. When our body pH becomes overly acidic, it starts to set up defense mechanisms to keep the damaging acids from entering the vital organs. Modern Day Athletes and Acid-Forming Foods Unfortunately, Modern Day Athletes and/or Non-Athletes have been raised in a fast food environment that is more concerned about convenienc Continue reading >>

Bun, Glucose, Creatinine

Bun, Glucose, Creatinine

Normal Values pH = 7.38 - 7.42 [H+] = 40 nM/L for a pH of 7.4 PaCO2 = 40 mm Hg [HCO3] = 24 meq/L Acid base definitions Acid base disorder is considered present when there is abnormality in HCO3 or PaCO2 or pH. Acidosis and alkalosis refer to in-vivo derangement's and not to any change in pH. Acidemia (pH < 7.38) and Alkalemia (pH >7.42) refer to derangement's of blood pH. Kidney and Respiratory system play a key roles in maintaining the acid base status. Primary Acid base disorders Metabolic acidosis loss of [HCO3] 0r addition of [H+] Metabolic alkalosis loss of [H+] or addition of [HCO3] Respiratory acidosis increase in pCO2 Respiratory alkalosis decrease in pCO2 Recquired lab values/information Arterial blood gases: pH, PaCO2,PaO2,Sat,CO BUN, Glucose, Creatinine FIO2 and Clinical history Anion and Cations ANIONS CATIONS Chloride Sodium Bicarbonate(Total CO2) Potassium Proteins Calcium Organic acids Magnesium Phosphates Sulfates Electrochemical balance means that the total anions are the same as total Cations. For practical purposes anion gap is calculated using only Sodium, Chlorides and Total CO2.((140-(104+24)) = 12. Compensatory measures Buffering---occurs immediately Respiratory regulation of pCO2 is intermediate (12-24 hours) Renal regulation of [H] and [HCO3] occurs more slowly (several days) Extracellular almost entirely through bicarbonate whose concentration highest of all buffers small contribution from phosphate Intracellular Hemoglobin can directly buffer protons H+ entry into RBC matched by exit of Na and K+ Hemoglobin can directly buffer dissolved intracellular conversion of Buffer systems Hemoglobin can directly buffer protons H+ entry into RBC matched by exit of Na and K+ Hemoglobin can directly buffer dissolved intracellular conversion of Bicarbonate Continue reading >>

Metabolic Acidosis

Metabolic Acidosis

Patient professional reference Professional Reference articles are written by UK doctors and are based on research evidence, UK and European Guidelines. They are designed for health professionals to use. You may find one of our health articles more useful. See also separate Lactic Acidosis and Arterial Blood Gases - Indications and Interpretations articles. Description Metabolic acidosis is defined as an arterial blood pH <7.35 with plasma bicarbonate <22 mmol/L. Respiratory compensation occurs normally immediately, unless there is respiratory pathology. Pure metabolic acidosis is a term used to describe when there is not another primary acid-base derangement - ie there is not a mixed acid-base disorder. Compensation may be partial (very early in time course, limited by other acid-base derangements, or the acidosis exceeds the maximum compensation possible) or full. The Winter formula can be helpful here - the formula allows calculation of the expected compensating pCO2: If the measured pCO2 is >expected pCO2 then additional respiratory acidosis may also be present. It is important to remember that metabolic acidosis is not a diagnosis; rather, it is a metabolic derangement that indicates underlying disease(s) as a cause. Determination of the underlying cause is the key to correcting the acidosis and administering appropriate therapy[1]. Epidemiology It is relatively common, particularly among acutely unwell/critical care patients. There are no reliable figures for its overall incidence or prevalence in the population at large. Causes of metabolic acidosis There are many causes. They can be classified according to their pathophysiological origin, as below. The table is not exhaustive but lists those that are most common or clinically important to detect. Increased acid Continue reading >>

Respiratory Acidosis

Respiratory Acidosis

Respiratory acidosis is an acid-base balance disturbance due to alveolar hypoventilation. Production of carbon dioxide occurs rapidly and failure of ventilation promptly increases the partial pressure of arterial carbon dioxide (PaCO2). [ 1 ] The normal reference range for PaCO2 is 35-45 mm Hg. Alveolar hypoventilation leads to an increased PaCO2 (ie, hypercapnia). The increase in PaCO2, in turn, decreases the bicarbonate (HCO3)/PaCO2 ratio, thereby decreasing the pH. Hypercapnia and respiratory acidosis ensue when impairment in ventilation occurs and the removal of carbon dioxide by the respiratory system is less than the production of carbon dioxide in the tissues. Lung diseases that cause abnormalities in alveolar gas exchange do not typically result in alveolar hypoventilation. Often these diseases stimulate ventilation and hypocapnia due to reflex receptors and hypoxia. Hypercapnia typically occurs late in the disease process with severe pulmonary disease or when respiratory muscles fatigue. (See also Pediatric Respiratory Acidosis , Metabolic Acidosis , and Pediatric Metabolic Acidosis .) Respiratory acidosis can be acute or chronic. In acute respiratory acidosis, the PaCO2 is elevated above the upper limit of the reference range (ie, >45 mm Hg) with an accompanying acidemia (ie, pH < 7.35). In chronic respiratory acidosis, the PaCO2 is elevated above the upper limit of the reference range, with a normal or near-normal pH secondary to renal compensation and an elevated serum bicarbonate levels (ie, >30 mEq/L). Acute respiratory acidosis is present when an abrupt failure of ventilation occurs. This failure in ventilation may result from depression of the central respiratory center by one or another of the following: Central nervous system disease or drug-induced r Continue reading >>

Causes And Consequences Of Fetal Acidosis

Causes And Consequences Of Fetal Acidosis

The causes and consequences ofacute (minutes or hours) andchronic (days or weeks) fetal acidosis are different In the past much attention has been paid to acute acidosis during labour, but in previously normal fetuses this israrely associated with subsequent damage In contrast, chronic acidosis, which is often not detected antenatally, is associated with a significant increase in neurodevelopmental delay The identification of small for gestational age fetuses by ultrasound scans and the use of Doppler waveforms to detect which of these have placental dysfunction mean that these fetuses can be monitored antenatally Delivery before hypoxia has produced chronic acidosis, may prevent subsequent damage and good timing of delivery remains the only management option at present. What is acidosis? Acidosis means a high hydrogen ion concentration in the tissues. Acidaemia refers to a high hydrogen ion concentration in the blood and is the most easily measured indication of tissue acidosis. The unit most commonly used is pH, which is log to base 10 of the reciprocal of the hydrogen ion concentration. Whereas blood pH can change quickly, tissue pH is more stable. The cut off taken to define acidaemia in adults is a pH of less than 7.36, but after labour and normal delivery much lower values commonly occur in the fetus (pH 7.00), often with no subsequent ill effects. Studies looking at the pH of fetuses from cord blood samples taken antenatally and at delivery have established reference ranges. Other indices sometimes used to assess acidosis are the base excess or bicarbonate. Neither of these is measured by conventional blood gas machines but is calculated from the measured pH and pCO2. The major sources of hydrogen ions in the fetus are carbonic and lactic acids from aerobic and a Continue reading >>

Symptoms Of Acidosis And Their Affect On The Human Body

Symptoms Of Acidosis And Their Affect On The Human Body

Symptoms Of Acidosis And Their Affect On The Human Body Symptoms of acidosis can be alarming for any person who is unaware of its existence in their body or does not understand the disorder .The symptoms of acidosis can bedifferent depending on its cause. Acidosis disrupts proper cellular function and activity, leading to various disease and sickness. Common causes of acidosis include the existence of an underlying illness, diabetes, smoking, poor diet, kidney disorders, genetic factors or excessive use of alcohol. Technically, acidosis is defined as an increase of hydrogen ion concentration at the cellular level. This in due course leads to the acidity of blood plasma. Acidosis is usually diagnosed when the blood pH of an individual falls below 7.35. To determine the cause of acidosis, an arterial blood gas analysis is required. There are two types of acidosis- metabolic and respiratory. Respiratory acidosis is caused when the lungs become incapable of getting rid of carbon dioxide by themselves. Metabolic acidosis occurs due to the failure of the kidneys to eliminate enough acid from the body. Regardless of whether you are suffering from metabolic or respiratory acidosis, symptoms of acidosis are usually similar. Take a look at some of the primary signs and symptoms of acidosis listed below. Acidosis causes the human cells to be exposed to acidic environment repeatedly, leading to a drop in oxygen levels. Lack of oxygen can sometimes lead to severe acidosis symptoms including shock or death. However, most symptoms listed above usually occur due to lack of oxygen in the body. One of the most common types of symptoms affecting a person with acidosis is the mental symptoms. When there the body is unable to supply enough oxygen to the brain, it fails to function correctl Continue reading >>

Acidosis: An Old Idea Validated By New Research

Acidosis: An Old Idea Validated By New Research

Acidosis: An Old Idea Validated by New Research Copyright 2015 InnoVision Professional Media This article has been cited by other articles in PMC. The idea that being too acid contributes to disease susceptibility, especially cancer, has been around for a long time in the natural/integrative medicine world. This concept was easily discounted by conventional medicine as measuring blood pH on various types of diets showed no change. Up until about 10 years ago, no research existed to counter this skepticism. However, since then, a growing body of research has documented not only that acidosis is a real phenomenon, but that it is now known to contribute to a wide range of diseases, such as metabolic syndrome, cancer, osteoporosis, kidney stones, and increased susceptibility to environmental toxinsand new research is adding to the list. In this editorial, I will review the biochemistry the various food components, soft drinks, prescription drugs, and metabolic dysfunctions affect the acid/base balance of cells. In addition, I will address how to determine body acid load and strategies using natural health products and diet to restore normal cellular function and reverse several diseases. We are talking here about acidosis as a process or a trend toward acidemia, not acidemia, which is an actual change in blood pH. Acidemia is defined as a blood pH of less than 7.35. This is very unlikely to occur, as the body has multiple mechanisms for ensuring a very stable blood pH. Acidosis only becomes acidemia when compensatory measures become overwhelmed. This typically only happens in advanced disease like kidney and lung failure. In many ways, we can consider acidosis as the constant pressure on the bodys physiology to compensate for all the acid-inducing challenges. Equally impor Continue reading >>

Acidosis

Acidosis

The kidneys and lungs maintain the balance (proper pH level) of chemicals called acids and bases in the body. Acidosis occurs when acid builds up or when bicarbonate (a base) is lost. Acidosis is classified as either respiratory or metabolic acidosis. Respiratory acidosis develops when there is too much carbon dioxide (an acid) in the body. This type of acidosis is usually caused when the body is unable to remove enough carbon dioxide through breathing. Other names for respiratory acidosis are hypercapnic acidosis and carbon dioxide acidosis. Causes of respiratory acidosis include: Chest deformities, such as kyphosis Chest injuries Chest muscle weakness Chronic lung disease Overuse of sedative drugs Metabolic acidosis develops when too much acid is produced in the body. It can also occur when the kidneys cannot remove enough acid from the body. There are several types of metabolic acidosis: Diabetic acidosis (also called diabetic ketoacidosis and DKA) develops when substances called ketone bodies (which are acidic) build up during uncontrolled diabetes. Hyperchloremic acidosis is caused by the loss of too much sodium bicarbonate from the body, which can happen with severe diarrhea. Poisoning by aspirin, ethylene glycol (found in antifreeze), or methanol Lactic acidosis is a buildup of lactic acid. Lactic acid is mainly produced in muscle cells and red blood cells. It forms when the body breaks down carbohydrates to use for energy when oxygen levels are low. This can be caused by: Cancer Drinking too much alcohol Exercising vigorously for a very long time Liver failure Low blood sugar (hypoglycemia) Medications, such as salicylates MELAS (a very rare genetic mitochondrial disorder that affects energy production) Prolonged lack of oxygen from shock, heart failure, or seve Continue reading >>

Extreme Acidosis And Mortality A Retrospective Clinical Study

Extreme Acidosis And Mortality A Retrospective Clinical Study

Extreme acidosis and mortality a retrospective clinical study Summarized from Allyn J, Vandroux D, Jabot J et al. Prognosis of patients presenting extreme acidosis (pH <7.0) on admission to intensive care. J Crit Care 2016; 31: 243-48 Health demands that blood pH is maintained within narrow limits (7.35-7.45). Acidosis (i.e. pH <7.35) is a common feature of many acute/critical conditions that warrant admission to intensive care. pH <6.8 is commonly reported in medical texts as incompatible with life, but there are rare individual case reports of survival with no long-term ill effect, despite a blood pH below this level. A recently published study was designed to investigate mortality rates among intensive care patients who present with extreme acidosis, which the authors arbitrarily defined as pH <7.00. This retrospective study was conducted at a 23-bed adult medical/surgical intensive care unit of a French hospital, where during a 30-month long study period, 2156 patients were admitted. Of these 2156 patients, 77 (3.6 %) presented with pH <7.0 (median pH 6.94, range 6.86-6.97). The clinical details and outcome for these 77 patients were retrieved. These were very sick patients; admission assessment using Simplified Acute Physiology Score (SAPS) revealed a median score of 82 (range 69-93) which translates to a predicted mortality in the range of 75-90 %. A cause of the extreme acidosis was identified in practically all cases and in most (86 %), lactic acidosis (serum lactate >4.0 mmol/L) was a feature. Of the 77 patients, 30 (39 %) had suffered cardiac arrest prior to admission to intensive care. The mortality for this group was particularly high (90 %); only three patients survived (for these three patients cardiac arrest occurred in the presence of medical team). Ove Continue reading >>

Acidosis

Acidosis

When your body fluids contain too much acid, it’s known as acidosis. Acidosis occurs when your kidneys and lungs can’t keep your body’s pH in balance. Many of the body’s processes produce acid. Your lungs and kidneys can usually compensate for slight pH imbalances, but problems with these organs can lead to excess acid accumulating in your body. The acidity of your blood is measured by determining its pH. A lower pH means that your blood is more acidic, while a higher pH means that your blood is more basic. The pH of your blood should be around 7.4. According to the American Association for Clinical Chemistry (AACC), acidosis is characterized by a pH of 7.35 or lower. Alkalosis is characterized by a pH level of 7.45 or higher. While seemingly slight, these numerical differences can be serious. Acidosis can lead to numerous health issues, and it can even be life-threatening. There are two types of acidosis, each with various causes. The type of acidosis is categorized as either respiratory acidosis or metabolic acidosis, depending on the primary cause of your acidosis. Respiratory acidosis Respiratory acidosis occurs when too much CO2 builds up in the body. Normally, the lungs remove CO2 while you breathe. However, sometimes your body can’t get rid of enough CO2. This may happen due to: chronic airway conditions, like asthma injury to the chest obesity, which can make breathing difficult sedative misuse deformed chest structure Metabolic acidosis Metabolic acidosis starts in the kidneys instead of the lungs. It occurs when they can’t eliminate enough acid or when they get rid of too much base. There are three major forms of metabolic acidosis: Diabetic acidosis occurs in people with diabetes that’s poorly controlled. If your body lacks enough insulin, keton Continue reading >>

How To Measure Blood Acidosis And Urinary Ph Levels To Monitor Your Adrenal Health

How To Measure Blood Acidosis And Urinary Ph Levels To Monitor Your Adrenal Health

How to Measure Blood Acidosis and Urinary pH Levels to Monitor Your Adrenal Health How to Measure Blood Acidosis and Urinary pH Levels to Monitor Your Adrenal Health Your healthcare provider can order two blood tests to get a sense of how acidic your blood is to monitor for adrenal fatigue. The first test is a serum (blood) bicarbonate level. The level of bicarbonate (a base) is often measured in the routine blood work that your doctor orders. Its often part of a lab chemistry panel called a CHEM-7 or a basic metabolic panel. A normal reference range for a serum bicarbonate level in the blood is 23 to 27 milliequivalents per liter (mEq/L). Levels less than 23 suggest that your blood is more acidic than it should be, making it a source of acute adrenal stress. Other lab chemistries sometimes reveal other conditions that may be causing your blood to be acidic: Diabetes: If your glucose level is really high (a normal level is 70 to 100milligrams per deciliter or less), an element of diabetes may be causing the acidosis. Kidney problems: If your serum creatinine level is higher than normal, a kidney problem may be contributing to your acidosis. For most people, a serum creatinine less than 1.0 milligram per deciliter means the kidneys are functioning normally. Adrenal exhaustion: If your sodium level is low and your potassium level is high, adrenal exhaustion may be contributing to your acidosis. The range for a normal sodium level in the blood is 135 to 140 mEq/L. The normal potassium range in the blood is 3.5 to 5.0 mEq/L. The second pH test is a check of the bloods pH level. A normal pH is approximately 7.36. Anything less than that is acidic. Doctors may order a pH from blood initially, in addition to other serum chemistries, if multiple reasons suggest that the body i Continue reading >>

Record-breaking Blood Ph - Survival Following Extreme Acidosis

Record-breaking Blood Ph - Survival Following Extreme Acidosis

Record-breaking blood pH - survival following extreme acidosis Summarized from Di Rollo N, Caesar D, Fernebach D et al. Survival from profound acidosis due to hypovolaemic shock. A world record? BMJ Case Reports 2013. Published online: doi:10.1136/bcr-2012-008315. Normal cellular metabolism and function require that blood pH be maintained within narrow limits, 7.35-7.45. Even mild excursion outside this range has deleterious effect, and pH of less than 6.8 or greater than 7.8 is considered according to medical and physiology texts incompatible with life. Such a view is challenged by the detail of a recently published case report, which describes survival of a patient whose pH was just 6.53. The case concerns a 65-year-old man who suddenly became unwell at home and was brought to his local hospital emergency department in a state of shock with cool peripheries and marked hypotension (BP 80/40 mmHg). At this time blood gas results were within normal limits, despite increased lactate (5.4 mmol/L). After 2-hour fluid resuscitation, his condition deteriorated rapidly with onset of severe abdominal pain, persisting hemodynamic instability, agitation and eventually, cardiac arrest. Following restoration of cardiac activity, the patient was sent for emergency laparotomy because internal bleeding (possible ruptured aortic aneurysm) and resulting hypovolemia seemed a likely cause of the hemodynamic instability. Blood gas analysis immediately prior to surgery revealed profound metabolic acidosis (pH 6.527; Base Excess (BE) 34.2 mmol/L and lactate 15.6 mmol/L). At laparotomy, marked bleeding from a splenic artery was discovered; the artery was ligated and the spleen removed. By the end of surgery, acidosis had reduced somewhat (pH 6.989; BE 24.1 and lactate 11.5 mmol/L). During su Continue reading >>

Merck And The Merck Manuals

Merck And The Merck Manuals

Acidosis is caused by an overproduction of acid in the blood or an excessive loss of bicarbonate from the blood (metabolic acidosis) or by a buildup of carbon dioxide in the blood that results from poor lung function or depressed breathing (respiratory acidosis). If an increase in acid overwhelms the body's acid-base control systems, the blood will become acidic. As blood pH drops (becomes more acidic), the parts of the brain that regulate breathing are stimulated to produce faster and deeper breathing (respiratory compensation). Breathing faster and deeper increases the amount of carbon dioxide exhaled. The kidneys also try to compensate by excreting more acid in the urine. However, both mechanisms can be overwhelmed if the body continues to produce too much acid, leading to severe acidosis and eventually heart problems and coma. The acidity or alkalinity of any solution, including blood, is indicated on the pH scale. Metabolic acidosis develops when the amount of acid in the body is increased through ingestion of a substance that is, or can be broken down (metabolized) to, an acid—such as wood alcohol (methanol), antifreeze (ethylene glycol), or large doses of aspirin (acetylsalicylic acid). Metabolic acidosis can also occur as a result of abnormal metabolism. The body produces excess acid in the advanced stages of shock and in poorly controlled type 1 diabetes mellitus (diabetic ketoacidosis). Even the production of normal amounts of acid may lead to acidosis when the kidneys are not functioning normally and are therefore not able to excrete sufficient amounts of acid in the urine. Major Causes of Metabolic Acidosis Diabetic ketoacidosis (buildup of ketoacids) Drugs and substances such as acetazolamide, alcohols, and aspirin Lactic acidosis (buildup of lactic acid Continue reading >>

Disorders Of Acid-base Balance

Disorders Of Acid-base Balance

Module 10: Fluid, Electrolyte, and Acid-Base Balance By the end of this section, you will be able to: Identify the three blood variables considered when making a diagnosis of acidosis or alkalosis Identify the source of compensation for blood pH problems of a respiratory origin Identify the source of compensation for blood pH problems of a metabolic/renal origin Normal arterial blood pH is restricted to a very narrow range of 7.35 to 7.45. A person who has a blood pH below 7.35 is considered to be in acidosis (actually, physiological acidosis, because blood is not truly acidic until its pH drops below 7), and a continuous blood pH below 7.0 can be fatal. Acidosis has several symptoms, including headache and confusion, and the individual can become lethargic and easily fatigued. A person who has a blood pH above 7.45 is considered to be in alkalosis, and a pH above 7.8 is fatal. Some symptoms of alkalosis include cognitive impairment (which can progress to unconsciousness), tingling or numbness in the extremities, muscle twitching and spasm, and nausea and vomiting. Both acidosis and alkalosis can be caused by either metabolic or respiratory disorders. As discussed earlier in this chapter, the concentration of carbonic acid in the blood is dependent on the level of CO2 in the body and the amount of CO2 gas exhaled through the lungs. Thus, the respiratory contribution to acid-base balance is usually discussed in terms of CO2 (rather than of carbonic acid). Remember that a molecule of carbonic acid is lost for every molecule of CO2 exhaled, and a molecule of carbonic acid is formed for every molecule of CO2 retained. Figure 1. Symptoms of acidosis affect several organ systems. Both acidosis and alkalosis can be diagnosed using a blood test. Metabolic Acidosis: Primary Bic Continue reading >>

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