Case 25: A 75-Year-Old Woman with Palpitations History Diagnosis ECG 2 ECG 2 Diagnosis History A 75-year-old woman presents to the Emergency Department with a two hour history of palpitations, dyspnea, and weakness. She reports no previous cardiac issues: Diagnosis Atrial tachycardia with Mobitz I second degree AV block – atrial rate 172/min, ventricular rate 154/min Minimal …
Case 28: A 43-Year-Old Woman in the Emergency Department History Diagnosis ECG 2 ECG 2 Diagnosis History This 43-year-old woman is referred to the Emergency Department by her family doctor because of an abnormal ECG recorded during a routine assessment. She endorses rare episodes of paroxysmal rapid palpitation during the past 2-3 years, lasting 15-20 …
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Case 30: A 56-Year-Old Woman in the Arrhythmia Clinic History Diagnosis History A 56-year-old woman presents to the arrhythmia clinic for a follow-up appointment. She had been treated over the past year for paroxysmal atrial fibrillation: Diagnosis Atrial tachycardia (possibly slow atrial flutter) with variable AV block; atrial rate – 200/min, ventricular rate – 77/min …
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Case 35: An 83-Year-Old Man in Low-Output Failure History Diagnosis History This 80-year-old man with known ischemic cardiomyopathy presents to the Emergency Department with severe low-output failure, hypotension, and hypoxemia. He denies any chest pain: Diagnosis Sinus rhythm, with a run of non-sustained atrial tachycardia, ventricular rate 80/min First degree AV block Nonspecific Intraventricular Block …
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Case 108: A 37 Year-Old-Man with Palpitations History Diagnosis History This 37-year-old man reports a several year history of occasional palpitations, with isolated runs of “thumps” in his chest: Diagnosis Sinus rhythm, with frequent premature atrial complexes (PACs), isolated, in a couplet, and in a run of atrial tachycardia The first PAC of the couplet …
Case 153: A 65-Year-Old Man in the ICU History Diagnosis History This 65-year-old man with a significant smoking history is admitted to the ICU with pneumonia and severe hypoxemia requiring intubation: Diagnosis Atrial tachycardia, 174/min Right axis deviation rSR’ pattern in V1, consider right ventricular conduction abnormality A diagnosis of incomplete right bundle branch block …
Case 5: A 68-Year-Old Man in the Emergency Room History Diagnosis History A 68-year-old man presents to the emergency room with palpitations. He has a previous history of hypertension and syncope with pacemaker implantation 3 years ago: Diagnosis Underlying atrial tachycardia (red arrows) – may be atrial flutter Native complexes conducted with left bundle branch …
Case 13: A 62-Year-Old Man in the Emergency Department History Diagnosis ECG 2 ECG 2 Diagnosis ECG 3 ECG 3 Diagnosis History This 62-year-old man with a history of episodes of paroxysmal tachy-arrhythmias for several years is brought to the emergency department complaining of palpitation and dyspnea of 1 1/2 hrs duration: Diagnosis Atrial tachycardia, …
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Case 14: A 43-Year-Old Man in the Emergency with Palpitations History Diagnosis ECG 2 ECG 2 Diagnosis History This 43-year-old man has a history of paroxysmal narrow QRS tachycardia for over 20 years. The episodes were at first infrequent and terminated spontaneously, however, during the past 2 years they had been occurring every 2-3 months …
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Case 32: A 73-Year-Old Man Referred to the EP Clinic History Diagnosis History This 73-year-old man is referred to the EP Clinic because of occasional episodes of tachyarrhythmia: Diagnosis Sinus tachycardia Frequent premature atrial complexes (PACs) Short runs of atrial tachycardia with aberrant conduction Left anterior fascicular block ECG ID: E531
