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Can Dehydration Cause Rapid Heart Rate
Electrolytes: In addition to causing hypovolemia, many diuretics can also deplete important electrolytes that keep your heart rate steady. Very low levels of potassium and magnesium, especially, can be dangerous. Talk to the diuretic prescriber about checking and replacing your electrolyte levels, while using diuretics. ...Read moreSee 1 more doctor answer
YES: Dehydration causes decreased blood volume of circulating blood. For the heart to keep pumping the same amount of blood (cardiac output), the heart has to speed up therefore causing increased heart rate (tachycardia). When dehydration is extreme, heart rate can be very fast (>>100 bpm) causing 'palpitations' . I.V fluids may be needed to quickly restore blood volume or vascular collapse will occur. ...Read moreSee 1 more doctor answer
Yes: Indigestion, or any cause of pain for that matter can cause an increased (rapid) heart rate. The mechanism for the rapid heart rate in indigestion relates to activation of the autonomic (sympathetic) nervous system. Common causes of indigestion that may increase the heart rate include peptic ulcer disease (with or without bleeding), gastritis and gastroesophageal reflux disease (gerd). ...Read more
Yes: Muliple mechanisms 1. Most common is poor control, relative dehydration 2. Occasionally damage to autonomic nervous system causes loss of parasympathetic modulation of heart beat and fast heart beat 3. Coronary heart disease yieldind intrinsic heart abnormalities. ...Read moreSee 1 more doctor answer
Normal is 60 to 100 : Heart rates slower than 60 beats per minute are considered bradycardias. Some normal people have heart rates slower than 60 like athletes. Some patients take medications called beta blockers (e.g. Lopressor) that cause slow heart rates. If your pulse is less than 50, then you should see your doctor. Slow heart rates may need a pacemaker. ...Read more
Yes: ? If heart palpitations can cause fainting. The medical condition Postural Orthostatic Tachycardia Syndrome (POTS) has associated rapid heart beat & fainting symptoms. This is an autonomic nervous system mediated disorder; sometimes associated with Joint Hypermobility Syndrome (see Brighton criteria) &/or chronic pain. People with POTS often have lightheadeedness upon standing up too fast. ...Read moreSee 2 more doctor answers
Rapid heart rate: Tachycardia can be physiological or pathological. Exercise, caffiene can increase heart rate. Meanwhile diseases of the heart, like atrial fibrillation, supraventricular tachycardia, congestive heart failure, ventricular tachycardia can cause heart to speed up. ...Read moreSee 1 more doctor answer
Several things: This is a problem that requires a face-to-face meeting with your doctor. In that meeting, your doctor will listen to you, perform a throrough examination and possibly order labs or other tests. Based on this information, he/she will be able to tell you what's wrong and what to do about it. ...Read more
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