What are beta-blockers and how do they affect heart rate?

Jun 14, 2019 ... There are times that having an elevated heart rate makes sense. For instance, if you are fighting a fever or getting over the flu, or are in the ... Apr 9, 2024 ... However, some palpitations are due to an abnormal heart rhythm, which may be caused by: ... Does your heart rate feel slow or fast when you have ... Sep 27, 2019 ... Types and causes of tachycardia ... heartbeat short-circuit, resulting in a fast heart rate. SVT is the most common cause of heart rhythm ... May 29, 2017 ... Beating too quickly ... Overactive thyroid, also known as hyperthyroidism, can throw off the heart's normal rhythm, causing palpitations. Oct 14, 2019 ... What else can cause an elevated heart rhythm along with low blood pressure? When the heart's electrical circuits aren't properly functioning ... Nov 8, 2024 ... Find out what dietary habits may cause your high heart rate after eating. Read more. In some cases, heart palpitations may be caused by other ... It can be caused by exercise, fever, pain, anxiety, anemia, hyperthyroidism, or fright. However, tachycardia is considered abnormal when one's heart rate ... They're also classified by the speed of heart rate they cause: fast heartbeat (tachycardia), slow heartbeat (bradycardia) or irregular heartbeat. Atrial ... A heart problem or other medical conditions may sometimes cause a fast heart rate. A fast heart rate may cause palpitations, chest pain or pressure ... It can also cause hypotension (drop in blood pressure) and tachycardia (fast heart rate). Diarrhea: Up to half of people with carcinoid syndrome develop ...