Background Inappropriate sinus tachycardia (IST) is characterized by persistent and disproportional elevation of heart rate (HR). Ivabradine has been successfully used in some patients.

The precise mechanisms underlying IST/POTS remain incompletely understood, with hypotheses implicating cardiovascular autonomic dysfunction, neurohormonal imbalance, hypersensitivity of the sinus node ...

The postural tachycardia syndrome is a common disorder ... of the heart rate in both the patients and the normal subjects (sinus arrhythmia ratio, 1.5±0.2 and 1.4±0.1, respectively; Valsalva ...

Heart Rate Mystery Unveiled: Sex Differences in Human Sinoatrial Node Genes and Female Tachycardia - (https://www.ahajournals ...

The family of former North Carolina Central basketball player Devin Butts, who died of cardiac arrest during an offseason ...

Louth mum Katie Bailey wants others to know that stroke can strike at any age. “I was 26. I was healthy. There were no major ...

Devin Butts suffered cardiac arrest while playing basketball with teammates on N.C. Central’s campus just after midnight on ...

COLUMBUS, Ohio – For decades, doctors and researchers have puzzled over a basic heart rhythm mystery: Why do women tend to have faster heartbeats while men are more likely to develop irregular rhythms ...

"That helps explain why women generally have faster heart rates and are more likely to experience inappropriate sinus tachycardia, while men face a greater risk of heart rate disorders like ...

“That helps explain why women generally have faster heart rates and are more likely to experience inappropriate sinus tachycardia, while men face a greater risk of heart rate disorders like conduction ...

That helps explain why women generally have faster heart rates and are more likely to experience inappropriate sinus tachycardia, while men face a greater risk of heart rate disorders like ...