Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

We found that sinus bradycardia in members of a large family was associated with a mutation in the gene coding for the pacemaker HCN4 ion channel. Pacemaker channels of the sinoatrial node ...

Nearly 14 million Americans live with arrhythmias. Learn to identify the warning signs of these common heart rhythm disorders ...

Your fingernails, as small as they are, can act as indicators of your overall health, offering subtle clues about potential ...

Trained athletes commonly (up to 80%) show ECG changes such as sinus bradycardia, first-degree atrioventricular (AV) block and early repolarisation, which result from physiological adaptation of the ...

and 8% had sinus bradycardia. Preoperative ECG was normal in 18% of the PPM patients. Overall, 4,678 (75%) patients underwent isolated CABG. The distribution of PPM patients in relation to the ...

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The following are key points from his talk: Increased vagal tone (e.g., sinus bradycardia, first degree atrioventricular block [AVB]) and increased chamber size due to physiologic remodeling (e.g., ...

Rhythm disturbances are found in 30% of cases. Arrhythmias are more frequent with missense variants rather than other variants, and may present several conduction disorders, such as sinus bradycardia, ...

The common causes for bradycardia are non-cardiac in origin such as autonomic immaturity in premature infants, electrolyte imbalances, hypothyroidism and medications. Cardiac causes include—sinus ...