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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 ...
Generalized weakness or tiredness may also occur. Some also report difficulty concentrating, blurred vision, tremulousness, vertigo, anxiety, palpitations (awareness of the heartbeat), unsteadiness, feeling sweaty or clammy, and sometimes nausea. A person may look pale. [12]
Altered vision (blurred vision, "white outs"/gray outs, black outs, double vision) Anxiety; Exercise intolerance; Fatigue; Headache; Heart palpitations, as the heart races to compensate for the falling blood pressure; Hyperpnea or sensation of difficulty breathing or swallowing (see also hyperventilation syndrome) Lightheadedness; Sweating ...
Heart palpitations. Heart attack. A heart attack occurs when the blood flow to your heart is blocked. The most common cause is coronary artery disease.
Heart palpitations (fluttering feelings in the chest) Extreme fatigue. Fainting. ... or paralysis on one side of the face or body, sudden and severe headaches, vision problems, and trouble speaking.
People who have experienced heart palpitations describe their symptoms in interesting and wide-ranging ways, says Dr. Edo Paz, a cardiologist at White Plains Hospital in New York and senior vice ...
[1] [3] Issues with the heart and blood vessels are the cause in about 10% and typically the most serious while neurally mediated is the most common. [1] Heart related causes may include an abnormal heart rhythm, problems with the heart valves or heart muscle and blockages of blood vessels from a pulmonary embolism or aortic dissection among ...
The feeling of your heart pounding or racing is known as heart palpitations. Typically, heart palpitations are not anything to worry about, but there are times when you should see a doctor about them.