How does uncertainty affect the body's stress response?

Other Causes of a Rapid Heartbeat Include: · Infection in the lung, such as pneumonia · Infection in the blood, which may cause a fever · Anemia · Low blood ... May 15, 2024 ... If symptoms do occur (WPW syndrome), they are related to the development of an abnormal heart rhythm and a rapid heart rate. During tachycardia, ... Active heart rate: This is how fast your heart beats when you're active or exercising. ... If you're worried about an increased heart rate causing other health ... Aug 30, 2023 ... Symptoms of Arrhythmia ... You may be able to notice if your heartbeat seems irregular. Some common symptoms include a rapid heart rate, blurred ... Contributing causes to a rapid heartbeat · External factors. Dehydration; Heavy blood loss or excessive bleeding induced anemia · Cardiovascular factors. Acute ... May 29, 2017 ... Beating too quickly ... Overactive thyroid, also known as hyperthyroidism, can throw off the heart's normal rhythm, causing palpitations. 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 ... May 15, 2024 ... Tachycardia is a condition that makes your heart beat faster than normal. Your faster heart rate might last for a few minutes or a few hours. The most common cause of tachycardia in children and teenagers is sinus tachycardia. This simply means that the sinus node is firing at a fast rate. Most of the ... 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 ...