Results 201 to 210 of about 72,352 (232)

Sinoatrial node dysfunction after stereotactic ablative radiation therapy in the chest.

Journal of Clinical Oncology, 2017
132Background: Sinoatrial node (SAN) injury following stereotactic ablative radiation therapy (SABR) in the chest has not been reported in the literature. We report SAN dysfunction as a potential toxicity of SABR in the chest.
Y. Qian   +14 more
semanticscholar   +3 more sources

Abstract P3148: Wnt/β-catenin Signaling Inhibits T-type Calcium Current And Causes Sinoatrial Node Dysfunction

Circulation Research, 2023
Background: The T-type Ca 2+ channels (I Ca,T ) are expressed in the fetal and neonatal cardiomyocytes, but in the adult heart they are exclusively expressed in the cardiac conduction system, including the sinoatrial node (SAN). In contrast, the L-
Kaya Florczak   +7 more
semanticscholar   +1 more source

A low dose of amiodarone-indused sinoatrial node dysfunction: a case report

Cardiometry, 2022
We recently treated a case similar to that reported by Mun et al and Chinushi M. Holter ECG demonstrated paroxysmal atrial fibrillation, frequent ventricular ectopy’s, atrial tachycardia. The patient complained of palpitation.
A. Ayurzana   +4 more
semanticscholar   +1 more source

Abstract P3024: Mitochondrial Dysfunction Underlies Sinoatrial Node Dysfunction In Heart Failure With Preserved Ejection Fraction

Circulation Research, 2022
Background: Metabolic comorbidities are frequent in patients with heart failure with preserved ejection fraction (HFpEF). We recently demonstrated that chronotropic incompetence and exercise intolerance are associated with intrinsic sinoatrial (SAN ...
T. Mesquita   +9 more
semanticscholar   +1 more source

Heat Stroke–Induced Sinoatrial Node Dysfunction

open access: closedThe Journal of Emergency Medicine, 2015
Heat stroke has been associated with stress-induced cardiomyopathy and electrocardiogram ST segment elevation and depression. Laboratory studies with dogs have demonstrated heat stroke-induced sinoatrial node dysfunction in the setting of hyperkalemia.
Daniel Case, Richard A. Harrigan
openalex   +3 more sources

Could ivabradine challenge be helpful for the diagnosis of intermittent sinoatrial node dysfunction in suspected patients?

Medical Hypotheses, 2016
Sinoatrial node dysfunction (SND) is an important cause of syncope in the elderly. Though the diagnosis can be relatively straightforward in the persistent form of SND, it can be elusive when the dysfunction is intermittent. For intermittent SND, the diagnosis may require prolonged electrocardiographic recordings with an external or internal loop ...
T. Güvenç   +5 more
semanticscholar   +4 more sources

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