ECG Case 119

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A 35-year-old woman recently diagnosed on echocardiogram with a benign left atrial myxoma causing mitral regurgitation has the following ECG. She does not complain of any symptoms.

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ECG Case 118

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A 62-year-old man with an extensive history of smoking and a recent diagnosis of squamous cell carcinoma of the neck that was treated with radiation now presents with 2 weeks of intermittent dizzy spells and one episode of syncope.

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ECG Case 117

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A 52-year-old man with no known cardiac history presents to the emergency department with fatigue and dizziness. He is hypotensive with a blood pressure of 74/50 mmHg. What's your interpretation ?

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ECG Case 116

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A 50-year-old woman came to the ED because of the sudden onset of palpitations and severe breathlessness. What abnormalities do the ECG show ?

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ECG Case 115

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This ECG was recorded from a 17-year-old girl who was breathless, had marked ankle swelling with signs of right heart failure, and who had been known to have a heart murmur since birth. She was acyanotic.

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ECG Case 114

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An 80-year-old man was admitted to hospital because of a sudden onset of palpitations associated with breathlessness. He had congestive cardiac failure and a heart murmur suggestive of aortic regurgitation. What is the rhythm ?

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ECG Case 113

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A 30-year-old woman complains of episodes of palpitations associated with dizziness and breathlessness. These begin and stop suddenly. She has had them for many years, but they are becoming more frequent and more severe.

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ECG Case 112

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This ECG was recorded from a 40-year-old man who was admitted to hospital after collapsing in a supermarket. By the time he was seen he was well, and there were no abnormal physical signs.

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ECG Case 111

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This ECG was recorded from a 15-year-old boy who collapsed while playing football. His brother had died suddenly. What does the ECG show and what clinical possibilities should be considered?

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