This video describes a little about our method of teaching the physical exam at the bedside. Our goal is not only to teach the exam, but also to teach others to teach the technique of physical diagnosis! Here is a link to the document describing our teaching methods (shown in the video): http://stanford25blog.stanford.edu/20... More about us: The Stanford Medicine 25 program for bedside medicine at the Stanford School of Medicine aims to promote the culture of bedside medicine to make current and future physicians and other healthcare provides better at the art of physical diagnosis. Visit us: Website: http://stanfordmedicine25.stanford.edu/ Blog: http://stanford25blog.stanford.edu/ Facebook: http://www.facebook.com/StanfordMedic... Twitter: https://twitter.com/StanfordMed25
Blood Gas Analysis For Bedside Diagnosis
Department of Oral and Maxillofacial Surgery, Post Graduate Institute of Dental Sciences, Rohtak, Haryana, India Address for correspondence: Dr. Virendra Singh, Department of Oral and Maxillofacial Surgery, Post Graduate Institute of Dental Sciences, Pt. B.D. Sharma University of Health Sciences, Rohtak, Haryana - 124 001, India. E-mail: [email protected] Author information Copyright and License information Disclaimer Copyright : National Journal of Maxillofacial Surgery This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This article has been cited by other articles in PMC. Arterial blood gas is an important routine investigation to monitor the acid-base balance of patients, effectiveness of gas exchange, and the state of their voluntary respiratory control. Majority of the oral and maxillofacial surgeons find it difficult to interpret and clinically correlate the arterial blood gas report in their everyday practice. This has led to underutilization of this simple t
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Acid-base Imbalance - An Overview | Sciencedirect Topics
Ahmad Bilal Faridi, Lawrence S. Weisberg, in Critical Care Medicine (Third Edition) , 2008 Acid-base disorders are revealed most commonly through the basic metabolic chemistry panel, when the plasma bicarbonate concentration is noted to be outside the normal range. If the bicarbonate is low and if the anion gap is clearly elevated on that sample, a diagnosis of high anion gap metabolic acidosis can be made with some confidence, keeping in mind the pitfalls in the interpretation of the anion gap mentioned earlier.7 If the bicarbonate is low and the anion gap normal, two possibilities exist: either a hyperchloremic metabolic acidosis or a respiratory alkalosis with metabolic compensation. These two entities can be distinguished by examination of the blood pH and blood gases, a low pH being diagnostic of the former. If the bicarbonate concentration is high, again there are two alternative diagnoses, requiring blood pH measurement for their differentiation: either a metabolic alkalosis or metabolic compensation for a respiratory acidosis. Once the primary disturbance has been identified, the astute clinician, recognizing the possibility of a mixed disturbance, is obligated to ask, Is
Chemical bonding introduction video shows how covalent bond means 2 hydrogen atoms can stick together to form a hydrogen molecule, H2. The video also explains why helium cannot form bonds and hence is called a noble gas. Subscribe to watch more online chemistry courses & science videos: http://www.youtube.com/channel/UCiX8p... About Atomic School: Atomic School supports the teaching of Atomic Theory to primary school & science students . We provide lesson plans, hands-on classroom resources, demonstration equipment, quizzes and a Teacher's Manual to primary school teachers. Animated videos that clearly explain the scientific ideas supports learning by both teachers and students. As a teacher, you don't have to look anywhere else to implement this program. Our work has been verified by science education researchers at the University of Southern Queensland, Dr Jenny Donovan and Dr Carole Haeusler, who confirm that primary students are capable of learning much more complex scientific concepts than previously thought, and crucially, that they love it. Students run to class! The program has been trialed in Australian schools as well as schools in the Philippines, Iran and India. It is conducted as holiday workshops at the Australian Nuclear Science and Technology Organisation, the Queensland Museum as well as the World Science Festival. It has attracted wide media interest, including TV, radio and print, and the research data has been presented at prestigious American Education Research Association and Australian Science Education Research Association conferences. Atomic Theory underlies all the other sciences- genetics, electronics, nanotechnology, engineering and astronomy- so an early understanding will set them up for a more successful learning sequence for all their science subjects, and support their mastery of mathematics as well. We also have extension programs that cover Biology, Physics and Astronomy to an equal depth. About Ian Stuart (Email: [email protected]): The founder of Atomic School, Ian Stuart, taught Chemistry and Physics for 25 years at senior levels before he realized that his 8-year old son, Tom, could understand Atomic Theory at a much deeper level than he expected. After visiting Tom's class at school, he discovered that his peers could also grasp the abstract scientific concepts, as well as apply it usefully to the real world. Ian then developed a program to teach the advanced concepts of high school Chemistry, Physics and Biology to students 10 years younger than they normally would. He found that this engaged their interest in modern science early, and sustained it through to high school and beyond. It also sets them up for future success in their academic and career paths. Ian has a Bachelor's Degree in Chemistry from the University of Queensland and a Master's degree in Electrochemistry from the University of Melbourne. Connect with Atomic School on social media: http://facebook.com/AtomicSchool http://twitter.com/AtomicSchools http://instagram.com/AtomicSchools Video transcript: Let's do a thought experiment. Imagine a box filled with hydrogen atoms. Like billiard balls on a pool table, atoms actually move, and they do it in straight lines until they hit something like another hydrogen atom. Oh! See that? They stuck together. Theyre not separate hydrogen atoms any more, but a pair of hydrogen atoms moving together. There goes another pair. 4.1 When atoms join up like this, scientists call it a molecule. And they call the join between them a chemical bond. Here comes another hydrogen atom crashing into the hydrogen molecule. But this time it doesnt stick. Instead it just bounces off. Hydrogen atoms bond once, and thats it. Theyre just like that. Pretty quickly all the hydrogen atoms will collide and pair off into molecules. They will keep hitting each other, but they'll just bounce off. Scientists like to have a shorthand way of writing this molecule thingi. Heres one way to show it, with the hydrogen symbols joined by a stick to show the chemical bond between the atoms. Another way is to write H2, with the little 2 after the H and a bit lower. A number written this way is called a subscript. What do you think the 2 stands for? It counts the number of hydrogen atoms in the molecule. Easy, heh! So when we have a balloon filled with hydrogen gas, it really contains trillions of trillions of H2 molecules. Let's do another thought experiment. We'll go back to our box filled with hydrogen atoms, but this time put an oxygen atom in there too. When a hydrogen atom crashes into an oxygen atom, they stick together. But wait, when another hydrogen atom hits, it also sticks to the oxygen. What about a third hydrogen atom? No, thats if for oxygen. It can only make 2 bonds and then its done.
Why Measure Blood Gases? A Three-part Introduction For The Novice. Part 2.
Why measure blood gases? A three-part introduction for the novice. Part 2. Why measure blood gases? A three-part introduction for the novice. Part 2. Arterial blood gases (ABG), a clinical test that involves measurement of the pH of arterial blood and the amount of oxygen and carbon dioxide dissolved in arterial blood, is routinely used in the diagnosis and monitoring of predominantly critically/acutely ill patients being cared for in hospital emergency rooms and intensive care units. The test allows assessment of two related physiological functions: pulmonary gas exchange and acid-base homeostasis. This is the second of three articles intended to explain the clinical value of ABG to those with little or no experience of the test. The first article focused on the physiological aspects that underpin an understanding of patient ABG results. The concepts of pH, acid, base and buffer were explained, and the parameters generated during ABG were defined and related to pulmonary gas exchange and acid-base homeostasis. In this second article attention turns to the clinical significance of abnormal ABG results, specifically abnormality in three ABG parameters (pH, pCO2(a) and bicarbonate)
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 bre ...
The different types of acid-base disturbances are differentiated based on: Origin: Respiratory or metabolic Primary or secondary (compensatory) Uncomplicated or mixed: A simple or uncomplicated disturbance is a single or primary acid-base disturbance with or without compensation. A mixed disturbance is more than one primary disturbance (not a primary with an expected compensatory response). Acid-base disturbances have profound effects on the body ...
Your patient has a ph of 6.9 Is he acidic or alkalotic? Your patient has a ph of 7.4 Is he acidic or alkalotic? Your patient has a ph of 7.7 Is he acidic or alkalotic? Your patient has a ph of 7.25 Is he acidic or alkalotic? Your patient has a ph of 7.43 Is he acidic or alkalotic? Your patient has a ph of 8.0 Is he acidic or alkalotic? 1. acidic 2. normal 3. Alkaline 4. Acidic 5. Normal 6. Alkaline You take in oxygen by inhaling, your body turns ...
Is there a shorcut to remember Metabolic alkalosis & acidosis and Repirarory alkalosis & acidosis? Wish I had asked last year when we were doing ABGs. I had the hardest time trying to remember. Thanks for sharing!! This is so ccol! I never thought of it like that! i was so mixed up. But with this, as long as i know the norm i should be fine. Thank you so much. · pH is high, PCO2 is down (Alkalosis). · pH is high, HCO3 is high (Alkalosi ...
Metabolic alkalosis is a metabolic condition in which the pH of tissue is elevated beyond the normal range (7.35–7.45). This is the result of decreased hydrogen ion concentration, leading to increased bicarbonate, or alternatively a direct result of increased bicarbonate concentrations. Terminology Alkalosis refers to a process by which the pH is increased. Alkalemia refers to a pH which is higher than normal, specifically in the blood. C ...
Volume 2, Issue 2 , June 2012, Pages 31-35 Author links open overlay panel Yung-ChengSua Chun-ChiehChaob Tzong-LuenWangcd Chee-FahChongcd Chien-ChihChenbe The purpose of this study was to determine the frequency of and identify the predisposing factors for respiratory alkalosis in patients with accidental carbon monoxide (CO) poisoning. Patients presenting to the emergency department with accidental CO poisoning were retrospectively identified a ...