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Long Q-T syndrome

    The Q-T interval represents the time of ventricular activity including both depolarization and repolarization. It is measured from the beginning of the QRS complex to the end of the T wave. Normally, the QT interval is 0.36 to 0.44 seconds (9-11 boxes). The QT interval will vary with patient …

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ECG Case Quiz # 5

  A 23-year old male presents to the emergency department with symptoms of dizziness and palpitations. He was playing basketball one hour ago, when after a brief sprint down the court he felt quite dizzy and short of breath. He sat down to rest, but the symptoms persisted. He has …

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ECG Case Quiz # 4

    A 64-year-old is brought in by family from home. He had been experiencing 8/10 intermittent, non-radiating, substernal chest pressure since last night. Upon arrival in the emergency department his vitals signs are all within normal limits and his exam is physical exam is unremarkable. His initial ECG performed …

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ECG Quiz # 3

    A 16 year old boy presents with a recent history of increased dyspnea and palpitations on exertion as well as intermittent dizziness and chest heaviness during football practice. He states he was at practice today and felt very weak and lightheaded and almost passed out while running down …

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ECG Quiz # 2

    A 19 year old male is brought in for evaluation by his mother after a syncopal episode. He was packing boxes getting ready to return to school after the long summer when he felt suddenly light-headed with associated palpitations. His mother heard a “thump”and found him in his …

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Dyspnea and Fever: ECG Quiz

    42 year old female with IVDA Hx, presents to the ED with dyspnea on exertion and fever. She denies chest pain, pressure or tightness. What is your interpretation of her ECG?                                   …

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