If you’re waking up tired even after seven or eight hours of sleep, your heart rate may be falling too far during the night.

Metoprolol tartrate has a preferential effect on β1 adrenoreceptors, chiefly located in cardiac muscle. The mechanism of the antihypertensive effects of β-blocking agents has not been elucidated but ...

Researchers have identified bradycardia-an abnormally low heart rate–as a symptom of xylazine-opioid overdose. This ...

About 4 in 10 dental patients experience transient bradycardia or lower heart rates, which may lead to heart failure and cardiac arrest, while being administered local anesthesia under sedation. The ...