Eighty-two year old gentleman with coronary artery disease status post remote coronary artery bypass graft surgery

Clinical History 261

Eighty-two year old gentleman with coronary artery disease status post remote coronary artery bypass graft surgery and a prior myocardial infarction who is accepted in transfer from an outside hospital with signs and symptoms consistent with an acute myocardial infarction. The patient received intravenous thrombolytic therapy and at the time of this electrocardiogram was awaiting cardiac catheterization. An echocardiogram performed six years prior to this electrocardiogram demonstrated moderate regional left ventricular systolic dysfunction consistent with his prior myocardial infarction.
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Nineteen year old gentleman with dialysis requiring end stage renal disease

Clinical History 105

Nineteen year old gentleman with dialysis requiring end stage renal disease of unknown etiology who presented to the hospital with symptoms of shortness of breath and chest X-ray confirmation of pulmonary edema. His serum potassium at the time of admission was 6.8 meq/L. His serum calcium was 6.0 mg/dl.
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Forty-seven year old woman with dialysis requiring renal failure secondary to long-standing hypertension

Clinical History 87

Forty-seven year old woman with dialysis requiring renal failure secondary to long-standing hypertension who presented to the hospital with recent onset shortness of breath. At the time of this electrocardiogram her serum calcium was 7.2 mg/dl and her serum potassium was 6.4 meq/L
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