BACKGROUND: Observational evidence investigating associations between cannabis use and hypertension is inconsistent. METHODS: ...

Screen time in childhood and adolescence is positively associated with higher cardiometabolic risk, supported by consistent ...

Contemporary atrial fibrillation (AF) screening relies on ECG and photoplethysmography in hospitals or on data derived from wearable devices, which are constrained by limited accessibility and high ...

A practical method of ballistocardiography, easily adaptable to routine office use, is described. The instrument utilized is a portable electromagnetic ballistocardiograph which records the body ...

The electrocardiograms before and after operation have been compared in 20 patients undergoing left mastectomy and in 19 patients undergoing right mastectomy. There are highly significant increases in ...

To assess the ability of an injection of Cr51-tagged red cells and one of T 1824 to measure a standard part of the total blood volume, two types of experiments have been done. First, three or four ...

BACKGROUND: Whether cannabis is a risk factor for cardiovascular events is unknown. We examined the association between smoking cannabis and cardiovascular events in a cohort of older veterans (66 to ...

Letter by Pasupathy et al Regarding Article, “Zibotentan in Microvascular Angina: A Randomized, Placebo-Controlled, Crossover Trial” ...

In male rats (2–3 months old), experimentally induced vagal parasympathetic dysfunction, established after unilateral surgical vagotomy, reduced exercise capacity when assessed 5 days after the ...

eLetters should relate to an article recently published in the journal and are not a forum for providing unpublished data. Comments are reviewed for appropriate use of tone and language. Comments are ...

eLetters should relate to an article recently published in the journal and are not a forum for providing unpublished data. Comments are reviewed for appropriate use of tone and language. Comments are ...

A short A-V conduction time, whether present with normal or with abnormal QRS complex, is associated with an increased incidence of paroxysmal rapid heart action. There are a considerable number of ...