What are the physiological challenges of spaceflight?

An arrhythmia (ay-RITH-mee-uh) can make it beat too slowly, too quickly, or irregularly. This erratic pumping can lead to a variety of symptoms. It can also cause hypotension (drop in blood pressure) and tachycardia (fast heart rate). Diarrhea: Up to half of people with carcinoid syndrome develop ... Feb 14, 2020 ... In this article, the American Academy of Pediatrics describes normal heart rate fluctuations in kids, and what might be cause for concern. Dec 16, 2024 ... What are long Covid symptoms? Long Covid heart-related symptoms. Heart palpitations after Covid-19; Chest pain after Covid-19; High heart rate ... When atrial fibrillation occurs, the upper heart chambers beat in an unorganized rhythm. An A-fib heart rate is usually rapid, resulting in 100-200 beats per ... Jul 22, 2024 ... An electrical system in the heart controls the heart rate (heartbeat ... It is critical to have your symptoms checked out quickly in case it is a ... Common causes of a fast resting heart rate include stress, certain medical conditions, and pregnancy. Supplements, caffeine, alcohol, and tobacco can also lead ... 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 ... 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 ... Feb 21, 2023 ... What Is A Normal Heart Rate? · How Common Are Fast Heartbeats? · What Causes A Heart To Race? · How Can A Fast Heart Rate Harm The Body? · What Are ...