WebCommon side effects of all beta-blockers include: Slow heart rate (bradycardia). Low blood pressure (hypotension). Irregular heart rhythms (arrhythmias). Fatigue. Dizziness. Nausea. Insomnia, sleep changes and nightmares. Dry mouth or eyes. Rare side effects include: … Bradycardia is an arrhythmia (abnormal heart rhythm) because it is slower than … WebBeta-blockers also block the impulses that can cause an arrhythmia. Your body has 2 main beta receptors: beta 1 and beta 2. Some beta-blockers are selective, which means that they block beta 1 receptors more than they block beta 2 receptors. Beta 1 receptors are responsible for heart rate and the strength of your heartbeat.
How Beta Blockers Affect Your Target Heart Rate
WebFeb 23, 2024 · The way that this drug works to lower blood pressure is not clearly understood. It reduces the workload of the heart and blocks the release of a substance called renin from the kidneys. The... WebBeta-blockers treat heart conditions by dilating the blood vessels and lowering blood pressure. They can also help regulate and slow the heart rate. ... can help lower blood pressure and heart ... fixed rate mortgage in charlton ma
Propranolol: Side Effects, Uses, Dosage, and More - Healthline
WebMar 17, 2024 · A low heart rate of 60 beats per minute (bpm) and below occurs frequently in older adults and is considered normal unless you have symptoms like heart palpitation. WebMaximum heart rate (HR max ) is usually defined as the highest heart rate reached during maximal exertion. HR max is mainly age-dependent . However, individual differences and arrhythmias cannot be ignored. The maximum heart rate is limited by the length of the refractory period of the atrioventricular node and can reach values of approximately ... WebJan 13, 2024 · Beta blockers slow the heart rate, which can prevent the increase in heart rate that typically occurs with exercise. This means that it might not be possible for you to reach your target heart rate — the number of heartbeats per minute you typically aim for to ensure you're exercising hard enough. can metformin cause weak leg muscles