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Điện tâm đồ

  1. Coronary and renal disease [464 ECG]

    Coronary and renal disease
    Infero-postero-lateral myocardial infarction

    Question: This 49-year-old man with known coronary disease, S/P coronary artery bypass surgery, and end stage renal failure presents for dialysis with this ECG. What is the most appropriate next step? * * * Difficulty rating
    a) Sodium bicarbonate and urgent hemodialysis for hyperkalemia
    b) Urgent diagnostic cardiac catheterization ...
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  2. Chest pain and murmur [464 ECG]

    Chest pain and murmur
    Acute inferior myocardial infarction and ventricular septal defect

    Question: 77-year-old woman with intermittent chest pain, worse one week ago, with a new, loud, harsh holosystolic murmur. What is the most likely clinical scenario? * * * Difficulty rating
    a) Hypertrophic obstructive cardiomyopathy
    b) Aortic sclerosis
    c) Inferior myocardial infarction with a ventricular septal ...
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  3. Abrupt change [464 ECG]

    Abrupt change
    2:1 SA block

    Question: This ECG from an elderly man (with a possible prior inferior myocardial infarction shows an interesting rhythm most consistent with which of the following diagnoses? * * * * Difficulty rating
    a) Sinus rhythm with intermittent 2:1 AV block
    b) Physiologic (respiratory) sinus arrhythmia
    c) Atrial flutter with variable block
    d) Sinus rhythm with intermittent ...
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  4. Palpitations [464 ECG]

    Palpitations
    Paroxysmal supraventricular tachycardia/AV nodal reentrant tachycardia

    Question: Elderly man with hypertension and asthma complains of palpitations and dizziness. This resting ECG is most consistent with which of the following? * * * Difficulty rating
    a) Sinus tachycardia
    b) Paroxysmal supraventricular tachycardia, most likely AV nodal reentrant tachycardia
    c) Atrial flutter with 2:1 ...
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  5. Severe dyspnea in a young adult [464 ECG]

    Severe dyspnea in a young adult
    Right heart overload with pulmonary fibrosis

    Question: A 34-yr-old woman with a history of Hodgkin’s disease complains of severe dyspnea. What diagnosis is most consistent with the following ECG? * * * * Difficulty rating
    a) Critical mitral stenosis
    b) Severe pulmonary fibrosis with cor pulmonale
    c) Critical aortic stenosis
    d) Left pneumothorax
    e) Pericardial ...
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  6. What is the clinical diagnosis? [464 ECG]

    What is the clinical diagnosis?
    Cardiac arrest with ventricular fibrillation/ventricular flutter

    Question: 51 year male seen in the emergency department. What is the diagnosis? * * Difficulty rating
    a) Atrial fibrillation with Wolff-Parkinson-White pattern
    b) Torsade de pointes
    c) Atrial flutter with left bundle branch block
    d) Monomorphic ventricular tachycardia
    e) Ventricular fibrillation/ventricular ...
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  7. What is this paroxysmal wide-complex arrhythmia? [464 ECG]

    What is this paroxysmal wide-complex arrhythmia?
    Monomorphic ventricular tachycardia

    Question: 28 year old female with symptoms of palpitations and lightheadness. What is the arrhythmia? * * * Difficulty rating
    a) Intermittent Wolff-Parkinson-White pattern
    b) Torsade de pointes polymorphic ventricular tachycardia
    c) Monomorphic ventricular tachycardia
    d) Atrial tachycardia with left bundle ...
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  8. Why is the heart rate so slow? [464 ECG]

    Why is the heart rate so slow?
    High grade heart block and ventriculo-phasic sinus arrhythmia

    Question: 74 year old male with symptoms of lightheadedness and dizziness. What is this bradyarrhythmia? * * * Difficulty rating
    a) Sinus bradycardia with Wolff-Parkinson-White pre-excitation
    b) Sinus rhythm with SA exit block
    c) Sinus rhythm with right bundle branch block, 2:1 AV conduction block followed ...
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  9. Palpitations? [464 ECG]

    Palpitations?
    Sinus bradycardia with ventricular bigeminy

    Question: 26 year-old female with complaint of palpitations. The ECG shows all of the following findings, EXCEPT? * * Difficulty rating
    a) Sinus bradycardia at about 58 bpm
    b) Right axis deviation
    c) Ventricular bigeminy
    d) Aberrated atrial premature beats (APBs)
    e) Non-specific inferolateral ST-T wave abnormalities
    Answer: ...
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  10. What is this life-threatening problem? [464 ECG]

    What is this life-threatening problem?
    Acute large anterior ST elevation myocardial infarction (STEMI)

    Question: 52 year-old man transferred by ambulance. The ECG is diagnostic of which one of the following conditions? * *
    * * * Difficulty rating
    a) Massive pulmonary embolism
    b) Brugada-type pattern
    c) Hyperkalemia
    d) Pericarditis with cardiac tamponade
    e) Acute large ST elevation ...
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