ECG Case 139

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A 75-year-old woman presents to the emergency department following 2 hours of chest discomfort. She states that the central chest pressure began suddenly while she was watching TV after dinner.

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ECG Case 137

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A 91-year-old woman presents to the emergency department with worsening symptoms of dyspnea, orthopnea, lightheadedness, and lower extremity edema. Her blood pressure is 100/70 mm Hg.

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ECG Case 136

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A 63-year-old man with diabetes, hypertension, and 6 months of intermittent exertional substernal chest pressure undergoes an exercise stress test. An ECG is obtained at peak exercise.

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ECG Case 134

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A 67-year-old man presents to the emergency department with shortness of breath, palpitations, and chest discomfort. An ECG is obtained. What's your interpretation ?

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ECG Case 133

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A 36-year-old man presents with acute onset of palpitations. He has no known history of heart disease. What is the origin of the tachyarrhythmia?

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ECG Case 132

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An 88-year-old man on digoxin presents to his cardiologist for routine follow-up. He is complaining of occasional palpitations and shortness of breath, and an ECG is obtained.

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