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The most common cause of cardiac syncope is cardiac arrhythmia (abnormal heart rhythm) wherein the heart beats too slowly, too rapidly, or too irregularly to pump enough blood to the brain. [9] Some arrhythmias can be life-threatening. [9] Two major groups of arrhythmias are bradycardia and tachycardia. Bradycardia can be caused by heart blocks.
A hypertensive emergency is very high blood pressure with potentially life-threatening symptoms and signs of acute damage to one or more ... vomiting, or syncope. ...
Reflex syncope can occur in otherwise healthy individuals, and has many possible causes, often trivial ones such as prolonged standing with the legs locked. [citation needed] The main danger of vasovagal syncope (or dizzy spells from vertigo) is the risk of injury by falling while unconscious.
Ignoring signs of low blood sugar can be dangerous and even life-threatening. Related: This Weird Change Is an Unexpected Sign of Diabetes Doctors Are Begging People to Pay Attention To.
In patients treated with beta blockers, life-threatening arrhythmias are more likely if a person had already survived a cardiac arrest, had a syncope, or are carriers of disease-causing mutations affecting the highly conserved terminal portion of RYR2 gene, [25] called the C-terminal domain (amino acids 4889–4969). [30]
A new survey found that 1 in 5 adults “who say they have no personal or family history of heart attack or stroke,” reported “routinely” taking a low-dose aspirin
Worker hanging strapped into a safety harness during a fall rescue drill. Suspension trauma, also known as orthostatic shock while suspended, harness hang syndrome (HHS), suspension syndrome, or orthostatic intolerance, is an effect which occurs when the human body is held upright without any movement for a period of time.
Pope Francis "is fine" as his medical condition is not life-threatening, but he is expected to remain hospitalized for at least all of next week, his doctors in Italy announced Friday.. Gemelli ...