ArticleCase reports in medicine2026
Paroxysmal Atrial Tachycardia With Atrioventricular Block: A Report of Two Cases.
Article in Case reports in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Paroxysmal Atrial Tachycardia With Atrioventricular Block: A Report of Two Cases.Case reports in medicine · 2026Article
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5 authors.
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Abstract
Paroxysmal atrial tachycardia (PAT) with atrioventricular (AV) block is a rare arrhythmia that can be easily misdiagnosed, yet correct identification is crucial for effective management. This report presents two cases illustrating different etiologies. The first patient, a 78-year-old man on digoxin for heart failure, presented with symptoms including tachycardia and dizziness, with elevated digoxin levels confirming toxicity. Following the withdrawal of digoxin and supportive treatment, sinus rhythm was restored without further intervention. The second case involves a 52-year-old man with hypertension who developed PAT with AV block and hypokalemia following excessive alcohol intake. Treatment with intravenous potassium normalized his rhythm, and he remained arrhythmia-free at follow-up. These cases highlight the importance of identifying underlying causes, such as digitalis toxicity and hypokalemia, in managing PAT with AV block. Accurate diagnosis and individualized therapy are essential for preventing complications and achieving optimal patient outcomes.
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