Bio 227 Case Studies.doc - Biology 227 All Case Studies...

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Biology 227 All Case Studies Due on Tuesday 04/09/18 Heart Case Study A 55-year-old business executive male came to the emergency room complaining severe crushing chest pain. Pain radiates to the left shoulder and the left upper arm. The pain is also accompanied with nausea, sweating and dyspnea. Pain started 30 minutes before the patient came to ER. As per the patient, the chest pain is increased if the patient exerts force and is reduced with rest. Physical examination gave the following information. Heart rate= 100 bpm Blood pressure= 160/100 mm hg ECG = Showed signs of mild myocardial ischemia ECG Recording of a healthy person ECG Recording of the patient Patient was admitted in the hospital and put on cardiac monitor. The following day an exercise tolerance test was performed to test the function of heart under stress. This test gave an ischemic ECG response during exercise, characterized by a downward-sloping S-T segment. Exercise resulted in chest pain, which was relieved by sublingual nitroglycerin. Coronary angiography was done, which showed coronary artery obstruction >70% in two major arteries. After visualization of obstruction, cardiologist performed the angioplasty and inserted stent to dilate his obstructed vessels. Patient was discharged with medications medical advices and regular follow ups.
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Answer the following questions . 1. Name the major branches of coronary arteries and veins. If the patient has anterior infarct, which coronary artery is most likely blocked? 2. Based on above scenario what is the likely diagnosis, and why you made this diagnosis? 3. Compare the normal EKG with the patient’s EKG, note down the differences. 4. What is the difference between ischemia and infarct? Hypertension Case Study: John is a 52-year-old African-American male who came to ER following a minor auto accident. He complained of headaches and had few scratches on the right side of his body. His scratches were not life threatening. Staff nurse cleaned the scratches with antiseptic and dressing was done.
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