Lecture five, feb 7

Lecture five, feb 7 - Lecture 5: Feb 7 I. II. III. Concepts...

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Lecture 5: Feb 7 I. Concepts of disease evolved from diagnostic process a. Doc listens to patient b. Doc examines patient c. Doc describes symptoms and organizes them into clusters i. Known clusters of possible disease symptoms d. Doc matches observed symptom clusters with typologies of known symptoms i. Usually ideal treatment can be found in manual e. British navy first organized doctors i. Good at teeth and gun shot wounds to organs II. Best diagnosis a. Includes a theory of etiology (cause of disease) b. Implies a theory of treatment i. Broken leg: compound fracture 1. Bone sticking out of skin 2. Too much sheer force (sideways force) a. Theory of causation ii. Tuberculosis: respiratory distress 1. We now the bacteria and take sample of spit and easily identify TB germ 2. Bacteria are making us ill a. Kill bacteria 3. US: relatively controlled 4. Antibiotic resistant in some parts
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III. Adequate diagnosis a. Can observe symptoms accurately b. No good theory of causation i. Trial and error 1. High Blood Pressure: Hypertension a. 140 or more of systolic or 90 or more of diastolic as HBP 2. Blood flow is systolic pressure 3. When fully open is diastolic pressure a. Resting pressure of your heart 4. Intra-arterial instruments that can take blood pressure for a operation a. Very accurate c. Good treatment developed through trial and error rather than theory i. Don’t know for sure what causes it 1. High salt diet: absorb more water a. Stop eating high salty foods and take diuretic drugs to make you pee a lot 2. Obesity: Put pressure on heart and it has to work harder a. Loss of body mass 3. Over stress our heart a. Beta blockers that relax you and slow your heart beat IV. Poor diagnosis a. No clear description, no theory of causation, no theory of treatment i. Different doctors see different symptoms and diseases 1. Mental Illnesses a. No physical symptoms
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b. Description of problems and judgment of doctor is what is used to
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This note was uploaded on 04/05/2008 for the course CHEM 161, 101 taught by Professor Hansell during the Spring '08 term at Rutgers.

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Lecture five, feb 7 - Lecture 5: Feb 7 I. II. III. Concepts...

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