The Heart Lab Phgy230 Essay

1064 WordsJul 23, 20145 Pages
PHGY 230 The Heart Lab 1. A gang member was stabbed in the chest during a street fight. He was cyanotic and unconscious from lack of blood delivery to the brain. The diagnosis was cardiac tamponade. a. What is cardiac tamponade and how does it cause the observed symptoms? i. Cardiac tamponade is when large amounts of inflammatory fluid seep into the pericardial cavity. The excess fluid compresses the heart and limits its ability to pump blood. b. What is the treatment for cardiac tamponade? ii. The treatment for cardiac tamponade is to insert a syringe into the pericardial cavity and drain the excess fluid. 2. You have been called upon to demonstrate the technique for listening to valve sounds. c. Where would you position your stethoscope to auscultate: iii. The aortic valve of a patient with severe aortic valve incompetence? 1. To auscultate the aortic valve, place the stethoscope over the second intercostal space at the right sternal margin. iv. A stenotic mitral valve? 2. To auscultate the mitral valve, place the stethoscope over the heart apex, in the fifth intercostal space in line with the middle of the clavicle. d. During which period would you hear these abnormal valve sounds most clearly? (During, atrial relaxation, ventricular systole, ventricular diastole or atrial contraction? v. These abnormal sounds would be heard most clearly during ventricular diastole for the aortic valve and during atrial systole for the mitral valve. 3. Florita Santos, a middle-aged woman, is admitted to the coronary care unit and after several tests, including an EKG, she was diagnosed with left ventricular failure resulting from a myocardial infarction. Her history indicated that she was

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