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Doctor insights on: Can Dehydration Cause Rapid Heart Rate

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Heart Rate (Definition)

Heart rate is a measurement of the number of times a person's heart beats in one minute. Normal heart rates vary with a person's age and with excitement and exercise. Abnormal heart rates are too slow, too fast, and/or irregular (too much ...Read more


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If you have a rapid heart rate and unexplained shivering when you are sick, is that dehydration or is that fever?

If you have a rapid heart rate and unexplained shivering when you are sick, is that dehydration or is that fever?

Maybe both: That may be a result of both fever and dehydration. Fever, left untreated, will result in dehydration and they both (fever and dehydration) lead to tachycardia (rapid heart rate). ...Read more

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Seizures (about 5) for the last 6 mo., rapid heart rate, chest pain directly between breasts, dizziness daily, dehydration, and head aches. Any ideas?

Seizures (about 5) for the last 6 mo., rapid heart rate, chest pain directly between breasts, dizziness daily, dehydration, and head aches. Any ideas?

Daily dizziness: You really should be seen in an er if you have a rapid heart rate (r). You need to be evaluated for hyperthyroidism and/or a cardiac problem. The next time you have one of these r's, get to an er as quickly as possible. If it's present when you are examined, an answer may be found. If not, you will blood work sent off and be sent to the proper physician for treatment and a cure. Good luck. ...Read more

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My resting heart rate was 205 can this be caused by dehydration?

My resting heart rate was 205 can this be caused by dehydration?

Doctor can evaluate: Many things in life are possible, but heart rates above the 170's usually mean something else is wrong. Dehydration means different things to different people, and comes in varying severities. Teens and adults with a little bit of dehydration due to minor illnesses, or moderate dehydration due to bad stomach flu, are not likely to get up to the 200 heart rate range. ...Read more

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Does dehydration cause faster heart rate?

Does dehydration cause faster heart rate?

Yes: Dehydration essentially means that you blood volume is decreased. In order to keep your blood cells supplying oxygen, your heart has to best a bit quicker. This is a hallmark of dehydration. ...Read more

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Besides dehydration what can cause your heart rate to increase 20-40 BPM just by standing up?

Many other: Certain medications can do the same thing. Autonomic dysfunction can contribute. Pots=postural orthosasis tachycardia syndrome, etc. See your doctor if taking fluids and hydration do not make you better. ...Read more

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Can diuretics cause rapid heart rate?

Can diuretics 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 more

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Would using Claritin (loratadine) d cause rapid heart rate during exercise?

Would using Claritin (loratadine) d cause rapid heart rate during exercise?

Yes, any "D" drug: The "d" in claritin-d, or Mucinex (guaifenesin) - d and others, all stand for decongestant. Decongestants are medications that stimulate the adrenaline system and can cause higher blood pressure and heart rate. While not bad for short time, may cause problems if used chronically. Check with your dr. If you have high blood pressure or heart rhythm problems before using these medications. ...Read more

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Vitamin D levels very low. Could that cause rapid heart rate and/or shortness of breath?

Vitamin D levels very low. Could that cause rapid heart rate and/or shortness of breath?

Likely not cause: While the symptoms of Vitamin D deficiency are still not clear, it is not likely to cause shortness of breath and rapid heart rate by itself. Get seen now: shortness of breath and rapid heart rate are serious symptoms and should not be ignored. Low Vit D level is certainly not helping things though and continue supplement to replace it, too. See https://medlineplus. Gov/vitaminddeficiency. Html ...Read more

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Can Flonase cause rapid heart rate and higher blood pressure?

Can Flonase cause rapid heart rate and higher blood pressure?

No: These are not effects expected from Flonase which has few minor side effects. ...Read more

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What can cause rapid heart rate (up to 174 bpm), severe headache, rapid breathing, adrenaline rush to occur multiple times a night every night.

What can cause rapid heart rate (up to 174 bpm), severe headache, rapid breathing, adrenaline rush to occur multiple times a night every night.

See your Doctor: All these symptoms are a warning that are telling you to be seen, when we lie down fluid changes in our system can trigger underlying heart disease and trigger some of your symptoms, and could also be an endocrine (gland and hormone) problem, so please get to your Doctor and get this evaluated right away! ...Read more

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Can anxiety cause rapid heart rate when standing, over 100 bpm, and muscle weakness? I've been experiencing this for a month. Docs can't find anything

Can anxiety cause rapid heart rate when standing, over 100 bpm, and muscle weakness? I've been experiencing this for a month. Docs can't find anything

Yes: Yes, anxiety can cause these symptoms. I'd recommend treating your anxiety as aggressively as possible with medication and psychotherapy, and then seeing if these symptoms decrease. I see that you're taking birth control pills. Sometimes birth control pills can contribute to anxiety as well. You may want to discuss this possibility with your physician. ...Read more

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Can diabetes cause a rapid heart rate?

Can diabetes cause a rapid heart rate?

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 more

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Can cold medicine cause a rapid heart rate in children?

Can cold medicine cause a rapid heart rate in children?

Possible: If the cold medication contains a decongestant, the decongestant can elevate the heart rate. ...Read more

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What causes spontaneous rapid heart rate and what are the dangers?

What causes spontaneous rapid heart rate and what are the dangers?

A number of things: It many be that your heart rate increases from factors as simple as drinking too much coffee, or simply being tired or anxious. In some people, a conduction variation in the heart will suddenly bump the rate up. If you have shortness of breath, faintness, dizziness, lightheadedness, or chest/jaw/shoulder pain, get to the ER or call 911. ...Read more

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I've had some strange palpitations and my BP when lying down is 120/68 BPM 70, when I stand my heart rate goes up to 135 BPM and my BP is 94/64 causes?

I've had some strange palpitations and my BP when lying down is 120/68 BPM 70, when I stand my heart rate goes up to 135 BPM and my BP is 94/64 causes?

Bp change common: Your blood pressure change while standing is common. The body must adjust to keep blood flowing to the brain with gravity, when you stand. Brief dizziness may occur, sometimes suggesting dehydration.
Need more info. On palpitations to better understand their relationship or cause. For example, skipped beats, beating out of rhythm, rapid heart beat, chaotic irregular rhythm, hard beats? ...Read more

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Can a rapid heart rate be caused by insomnia?

Can a rapid heart rate be caused by insomnia?

Coffee?: Sudden runs of rapid heartbeat that may take your breath away is supraventricular tachycardia. If you are sleeping poorly and have svt, my first concern is too much caffeine. If your heart simply seems fast and you are not sleeping well, the cause may be anything from anxiety (which you recognize) to something more troublesome. More than 2 weeks, physician's office visit is in order. Good luck. ...Read more

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I noticed short (1s) heart rate squizzes (not palpitations) followed by face flushing, hot feelings and sweatings. What can cause this?

I noticed short (1s) heart rate squizzes (not palpitations) followed by face flushing, hot feelings and sweatings. What can cause this?

Arrhythmia: Premature beats can cause theses sensations ; go see a physician & get examined and tested to a specific diagnosis & possible treatment ...Read more

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Can indigestion cause a rapid heart rate?

Can indigestion cause a rapid heart rate?

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

Dr. Jerome Zacks
668 Doctors shared insights

Palpitations (Definition)

Heart palpitations are a clinical finding in which a person feels his heart beating strongly, feels his heart beating fast, or both. This can occur with anxiety disorders or heart conditions including ...Read more


Dr. Ashu Syal
655 Doctors shared insights

Dehydration (Definition)

The excessive loss of body water, with an accompanying ...Read more