What is vasovagal syncope?

Feb 13, 2025 ... ... symptom of POTS is a fast heartbeat ... increased heart rate, fainting spells or dizziness that occur in an upright position. High hCG levels can cause the thyroid to make too much thyroid hormone. ... a fast heart rate, which can lead to heart failure; early closing of the soft ... Heart palpations can have a wide range of causes, including strong emotions, medications, and lifestyle factors. In some cases, they can be caused by a medical ... Feb 15, 2024 ... Cannabis can make the heart beat faster and can raise blood pressure immediately after use. ... caused by the irritants and other chemicals ... Resting heart rate can reflect a number of different things—it can vary with fitness levels, stress levels, and hydration levels, to name a few ... Fetal tachycardia occurs when a fetus (developing baby) has a heart rate faster than 180 beats per minute (BPM). Fetal tachycardia is rare. They're also classified by the speed of heart rate they cause: fast heartbeat (tachycardia), slow heartbeat (bradycardia) or irregular heartbeat. Atrial ... Oct 30, 2024 ... If you've ever felt your heart racing or pounding after a meal, you're not alone. This sensation is known as heart palpitations, and while it ... Jan 12, 2021 ... Long QT syndrome is a rare genetic disorder that can cause a chaotic, fast heart rhythm. This fast heart rhythm can lead to fainting or seizures ... ... heart rate of 110 beats per minute (bpm). She did not have any symptoms such as chest pain or breathlessness. Her exercise tolerance was good and she walked ...