ECGs

A 30-year-old male suddenly loses consciousness while at dinner. He spontaneously regains consciousness within several seconds.

A 72-year-old man is admitted to hospital with pneumonia. During his hospitalization, he becomes delirious. During one episode of nocturnal delirium, he complains of chest pain and an ECG is obtained.

A 55-year-old woman presents to the emergency department for evaluation of chest discomfort. She notes typical angina occurring with activity two to three times per week, most recently about 30 minutes prior to presentation.

A 55-year-old man with a severe nonischemic cardiomyopathy is treated with furosemide, carvedilol, lisinopril, and spironolactone. One month after starting therapy, he feels very tired and weak

A 35-year-old man presents to his community emergency department with complaints of a racing heart. Symptoms began that evening while he was watching television and have persisted since.

An 88-year-old woman is brought to the emergency department because of fever to 104°F associated with shaking chills. Evaluation showed a WBC count of 24,000 and evidence of pyelonephritis. She has history of chronic renal insufficiency.

A 56-year-old woman presents to her primary doctor as an urgent care visit. She has had palpitations and chest pressure for several hours since waking. Her radial pulse is rapid and her JVP is elevated. Her lungs are clear. An ECG is obtained.

A 68-year-old man with end stage renal disease is seen at his hemodialysis center. He missed his last scheduled hemodialysis session.

A 64-year-old woman presents to her internist because of diffuse bone pain, fatigue, and a 20-pound weight loss. Routine blood tests showed a hematocrit of 25, a serum creatinine of 2 mg/dL.

A 74-year-old man on digoxin for rate control of paroxysmal atrial fibrillation is admitted with pre-syncope.