Cardiac Case Study

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Cardiac case study Case Study #2 Professor: Methavichit Sandra Martin 10/01/2013 Case Study Questions: Myocardial Infarction 1. What is the significance of an elevated ST segment inversion on an EKG and the PVCs the nurse sees on the monitor? It is Hypoxic Injury. Rapid discharges that record on the monitor as back-to-back PVCs tells us that his heart is getting ischemia. Usually requires more aggressive treatment such as reperfusion therapy. 2. What is the pathophysiology causing Mr. Canton’s cool, clammy skin and aspiratory crackles? Heart Attack, It’s the result of signs and symptoms of left side congestive heart failure. 3. Is his dental pain significant? Why or why not? His jaw pain was significant but it was due to manifestation of his Myocardial Infarction and not because of a wisdom tooth. During a Myocardial Infarction Pain in the left chest, radiates to the neck, jaws, teeth shoulders, arms, and fingers. 4. Why would Mr. Canton vomit after drinking water? AMI causes a patient to have nausea and vomiting as part of the symptoms. 5. Why are his isoenzymes elevated? What pathology caused this? They are elevated due to his Myocardial Infarction. LDH-1 level higher than that of LDH-2 is indicative of a heart attack or injury. One of the most important diagnosis uses for the LDH isoenzymes test is in the different diagnosis of myocardial Infarction or heart attack. The total LDH level rises within 24-48 hours after a heart attack. Peaks in two to three days and returns to normal in approximately five to ten days. An LHD-1 level a phenomenon known as ‘flipped LDH’, Is strongly indicative of a Heart attack. 6. What pathophysiology occurs during a myocardial Infarction? Include all four processes. Most Myocardial Infarctions are caused by a disruption in the vascular endothelium associated with an unstable atherosclerotic

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