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The pacing maneuvers for supraventricular tachycardia with cycle length alternans are sometimes difficult, especially when diagnostic ventricular pacing does not conduct to the atrium. Even in such a situation, critical diagnostic findings can be obtained by spontaneous premature ventricular contraction.
View Article and Find Full Text PDFAblation of Focal Atrial Tachycardia from a Large Left Atrial Diverticulum Using 3D Printing.
Methodist Debakey Cardiovasc J
October 2024
The Ohio State University Wexner Medical Center, Columbus, Ohio, US.
Article Synopsis
- - A 45-year-old man experienced symptoms of supraventricular tachycardia, a rapid heart rhythm issue.
- - An electrophysiology study and 3D electroanatomic mapping revealed the tachycardia was caused by a focal area in a large left atrial diverticulum.
- - 3D printing models were utilized to successfully guide the catheter ablation procedure due to the complex anatomy involved.
Prominent crista terminalis mimicking a right atrial mass: a systematic literature review and meta-analysis.
Acta Radiol
June 2024
Department of Electrocardiology, Institute of Cardiology, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland.
The crista terminalis is an anatomical structure localized on the posterolateral wall of the right atrium (RA). We performed a systematic review of the literature and meta-analysis concerning cases of unusual prominent crista terminalis mimicking RA mass. Moreover, we described the differential diagnosis of cardiac masses with the use of echocardiography, computed tomography, and cardiac magnetic resonance (CMR).
View Article and Find Full Text PDFTorsades de pointes and myocardial infarction following reversal of supraventricular tachycardia with adenosine: a case report.
Einstein (Sao Paulo)
April 2024
Hospital Israelita Albert Einstein, Sao Paulo, SP, Brazil.
Article Synopsis
- Adenosine is an antiarrhythmic drug used to treat supraventricular tachycardia, but it can cause serious complications, including non-sustained polymorphic ventricular tachycardia and myocardial infarction, even in a healthy heart.
- A 46-year-old woman experienced severe chest pain and low blood pressure after receiving adenosine, which led to temporary heart rhythm issues but eventually returned to normal.
- The case serves as a warning for emergency physicians to be aware of possible risks when treating patients with adenosine for heart rhythm problems, especially if there’s no obvious heart disease present.
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