Can heart palpitations cause fainting?

No. Heart palpitations is a symptom. As a general rule, causes of fainting (i.e. Loss of consciousness) are not symptoms.
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. .
Yes. Dependent on the cause of palpitations, if the person is having very fast cardiac arrhythmias, he/she can very well pass out (faint). The fast heart rate or the type of arrhythmia can cause a low cardiac output state leading to low blood pressure and the resulting fainting episode.

Related Questions

Dizzy spells (12 months), heart palpitations, numb/tingling lips. Faint feeling. Have had every possible blood test and no answers?

See specialists. If your blood tests are normal you may need to see a cardiologist or neurologist for further testing. Your symptoms could be caused by many different conditions in your heart of nervous system. Make sure you are drinking plenty of water and taking a multivitamin. Avoid caffeine, alcohol, nicotine and any stimulants like decongestants. Read more...

What causes heart palpitations?

Heart rhythm. Irregularities of the heart rhythm cause palpitations. Everyone has them sometimes. If you're bothered by them, seek further evaluation. Read more...

What can cause heart palpitations?

Palpitations. Palpitations have many causes from anxiety through anatomic and physiologic abnormalities. The feeling of bounding usually relates to the volume of blood pumped with each palpitation. There is no simple single answer for the question. If you're bothered by the feeling should consult a dr. To see if the problem can be clarified. Read more...

What could cause heart palpitations?

Many things. Palpitations are a sensation of skipped heart beats. They can happen due to an electrical problem, a metabolic problem like thyroid disease, or may be the way you manifest stress. Talk to your doctor today for more of a workup. Read more...
Palpitations. These are caused by many things. Stress, excitement, irritants both physical and chemical, pressure like a hiatal hernia or esophageal push or pull, and primary heart things, the causes are very many in number. Read more...

What might cause heart palpitations?

Many... This should be evaluated by holter monitoring for frequent symptoms or an event monitor for infrequent symptoms. These are often benign premature beats but further evaluation should be undertaken. Consult with your physician. Read more...
Palpitations. These are caused by many things. Stress, excitement, irritants both physical and chemical, pressure like a hiatal hernia or esophageal push or pull, and primary heart things, the causes are very many in number. Read more...