Seventy-two year old gentleman with advanced peripheral vascular disease who is admitted

Clinical History 251

Seventy-two year old gentleman with advanced peripheral vascular disease who is admitted to the hospital for a semi-elective below the knee amputation. His past medical history includes chronic obstructive pulmonary disease, a remote myocardial infarction and prior pacemaker placement. His medications included quinidine and digoxin.
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Fifty-one year old woman with metastatic breast carcinoma admitted for a bone marrow transplantation.

Clinical History 200

Fifty-one year old woman with metastatic breast carcinoma admitted for a bone marrow transplantation. Her potassium level at the time of this tracing was 3.1 meq/L.

Fifty-nine year old woman who presented with a chest discomfort syndrome

Clinical History 189

Fifty-nine year old woman who presented with a chest discomfort syndrome and the above electrocardiogram. She subsequently underwent cardiac catheterization demonstrating normal coronary arteries and global mild left ventricular systolic dysfunction. Neurology was consulted forthe possibility of a subarachnoid hemorrhage and this was excluded. Her past medical history includes hypertension.
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Seventy-five year old woman with long-standing hypertension who is referred for a cardiac evaluation.

Clinical History 174

Seventy-five year old woman with long-standing hypertension who is referred for a cardiac evaluation. Her medications included amlodipine and digoxin. Her serum electrolytes were all within normal limits.
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Forty-three year old woman with a history of sarcoidosis and bronchiolitis obliterans who is admitted

Clinical History 157

Forty-three year old woman with a history of sarcoidosis and bronchiolitis obliterans who is admitted to the hospital with a two day history of shortness of breath. Her past medical history includes hypertension and hepatitis C. Medications at the time of this electrocardiogram included prednisone, nebulized inhalers, hydrochlorothiazide, furosemide and potassium.
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Seventy-two year old woman with a history of insulin requiring diabetes mellitus

Clinical History 144

Seventy-two year old woman with a history of insulin requiring diabetes mellitus who is accepted in hospital transfer with the suspected diagnosis of status epilepticus. The patient was diagnosed with a metabolic encephalopathy. Her neurological status failed to improve and she subsequently expired.
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Sixty-seven year old woman admitted with mental status changes and a confirmed subarachnoid hemorrhage

Clinical History 124

Sixty-seven year old woman admitted with mental status changes and a confirmed subarachnoid hemorrhage. Co-morbid conditions include liver cirrhosis, hypertension and paroxysmal atrial fibrillation. Medications at the time of this electrocardiogram included isosorbide mononitrate, spironolactone and disopyramide.
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Twenty-eight year old gentleman status post orthotopic liver transplantation secondary

Clinical History 113

Twenty-eight year old gentleman status post orthotopic liver transplantation secondary to chronic hepatitis 8 infection contracted ten years prior to this electrocardiogram who re-presents to the hospital with epigastric pain, nausea and hematemesis. His medications at the time of this electrocardiogram included cyclosporine, prednisone and omeprazole. His admission serum chemistries were notable for a serum potassium level of 2.3 meq/L
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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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Fifty-nine year old woman who suffered a bradycardic cardiac arrest

Clinical History 49

Fifty-nine year old woman who suffered a bradycardic cardiac arrest in the setting of an acute subarachnoid hemorrhage. The patient eventually recovered and was discharged from the hospital. During her hospitalization an echocardiogram demonstrated normal left ventricular function and no evidence of a prior myocardial infarction.
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Sixty-five year old gentleman status post an inferior myocardial infarction fourteen years previously.

Clinical History 42

Sixty-five year old gentleman status post an inferior myocardial infarction fourteen years previously. He subsequently underwent coronary artery bypass graft surgery and is currently asymptomatic. The above electrocardiogram was performed as part of his routine follow-up evaluation.
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Forty-eight year old woman with insulin requiring diabetes mellitus and end stage renal disease

Clinical History 41

Forty-eight year old woman with insulin requiring diabetes mellitus and end stage renal disease who presents for an outpatient nephrology follow-up examination. Her medications included prednisone, azathioprine.furosemide, nifedipine, quinine, metolazone and warfarin. A serum calcium level was not drawn at the time of this electrocardiogram.
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Sixty-six year old woman who presented to a local urgent care facility

Clinical History 29

Sixty-six year old woman who presented to a local urgent care facility with acute onset chest, arm, neck and jaw discomfort in the setting of dyspnea. The patient underwent a cardiac catheterization demonstrating an 80% mid left anterior descending coronary artery stenosis. Left ventricular systolic function was within normal limits. She subsequently underwent percutaneous transluminal coronary angioplasty without complication.
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Twenty-two year old woman hospitalized for inpatient evaluation

Clinical History 24

Twenty-two year old woman hospitalized for inpatient evaluation and treatment of severe depression. Her medications at the time of this electrocardiogram included nortriptyline.
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Seventy-two year old gentleman with advanced peripheral vascular disease

Clinical History 17

Seventy-two year old gentleman with advanced peripheral vascular disease who is admitted to the hospital for a semi-elective below the knee amputation. His past medical history includes chronic obstructive pulmonary disease, a remote myocardial infarction and prior pacemaker placement.
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