Animal Case 1 key

Animal Case 1 key - Bio 152-2 Animal Case 1 Up a creek with...

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Bio 152-2 Animal Case 1 Up a creek with a couple of paddles – Key Spring 2009 (1) Given: Patients 1 & 2’s problems are ventricular. Patient 1’s ECG shows rapid, repeated depolarization of the ventricles- this is ventricular tachycardia (tachy- accelerated). Patient 2’s ECG shows irregular depolarization of the ventricles- this is ventricular fibrillation . Each patient’s other symptoms fit with the diagnoses. (Note- ventricular tachycardia can be treated without defibrillation in some, but in severe cases (shown in Patient 1’s symptoms), it is necessary- it could otherwise progress to ventricular fibrillation.) (2) Patient 1: Rapid, repeated depolarization of ventricles leads to rapid contraction of ventricles- not enough time for them to fill before next contraction (low blood flow out). Patient 2: Uncoordinated depolarization of ventricles- some parts of ventricles contract, some don’t- little, if any, blood flows out. Patient 3: Asystole- the absence of depolarization and contraction; no
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This note was uploaded on 04/23/2009 for the course BIO 151 taught by Professor Grinblat during the Spring '08 term at Wisconsin.

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Animal Case 1 key - Bio 152-2 Animal Case 1 Up a creek with...

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