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Doctor insights on: Causes Of Rapid Heart Rate

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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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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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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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Why if B12 injections are given for "weightloss" did it cause a rapid heart rate and eating 3x more than normal to be satisfied?

Why if B12 injections are given  for "weightloss" did it cause a rapid heart rate and eating 3x more than normal to be satisfied?

You're right: B12 will not cause you to lose weight. Unfortunately, that is a common scam in some places, particularly here in south florida. In fact, there are efforts to curb that with laws in florida. There is no evidence that B12 actually leads to weight loss. The rapid heart rate may just be a reaction to the injection. If a steroid is included, then it will increase your appetite. ...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

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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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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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I have experienced anxiety I was taking lexapro (escitalopram) but it caused rapid heart rate and now am on Zoloft 25 and still same problem any good med for anxiety?

I have experienced anxiety I was taking lexapro (escitalopram) but it caused rapid heart rate and now am on Zoloft 25 and still same problem any good med for anxiety?

Best anxietyTx: CBT or other specific psychotherapy is an essential component of successful management of anxiety. Sometimes it can be effective w/out regular daily medication - sometimes a term of daily meds are helpful. But you'd be wise to use therapy to learn skills that let you avoid, minimize ad manage that symptom. Best! ...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

Dr. Jerome Zacks
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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