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Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
Cardiovascular disease is a catchall term for any condition that affects the heart or blood vessels. It can have many potential causes, including genetics, lifestyle habits, and underlying health ...
A recent study found that features of POTS, such as the change in heart rate or blood pressure when going from laying down to sitting up, can affect the performance of elite swimmers. Why Ledecky ...
Don't panic, symptoms can be caused by stress, and most people who do have abnormal heart rhythms are able to live normal lives, but here's what to be aware of. Irregular heartbeat types, symptoms ...
The causes of this condition are not well understood, but research suggests that it may be caused by a combination of hemodynamic and neurohumoral factors. [8]Some studies have found that orthostatic hypertension may be caused by increased vascular resistance, possibly due to excess plasma shifts or increased blood viscosity.
Palpitations are not always the result of a physical problem with the heart and can be linked to anxiety. [3] However, they may signal a fast or irregular heartbeat. Palpitations can be brief or long-lasting. They can be intermittent or continuous. Other symptoms can include dizziness, shortness of breath, sweating, headaches, and chest pain. [2]
“Many conditions can trigger POTS, including viral infections such as SARS-CoV-2, the virus that causes COVID-19,” Dr. Bala Munipalli, a physician who heads the Post-Acute Sequelae of COVID ...
A normal resting heart rate is 60 to 100 beats per minute. A resting heart rate of more than 100 beats per minute is defined as a tachycardia. During an episode of SVT, the heart beats about 150 to 220 times per minute. [9] Specific treatment depends on the type of SVT [5] and can include medications, medical procedures, or surgery. [5]