Causes of Palpitations
There are a variety of causes that can result in disturbance in the rhythm of the heart; which manifest as palpitation. Some cause it temporarily and some permanently. Knowing its cause is important in deciding if the palpitations need treatment. Sometimes stopping a drug or changing it to another one can relieve one of the palpitations.
Heart related
- Coronary artery disease
- Valvular Heart disease, e.g. Mitral Valve Prolapse
- Heart attack
- Heart failure
- Cardiomyopathy (Disease of the heart muscles)
- Pericarditis (inflammation of the heart’s outer layer)
Hormone related
- Hyperthyroidism –Over production of thyroid hormone is a common cause for palpitations.
- Dehydroepiandrosterone [DHEA], a natural steroid hormone. When taken as a supplement is known to produce palpitations as a side effect.
- Perimenopause – Progesterone hormone levels, which have a calming effect, are low in these women.
- Pregnenolone
- Low sugar levels [Hypoglycemia]
Medication or Chemical related
- Thyroid medications
- Certain medications used to treat irregular heartbeats
- Herbs such as ephedra, ginkgo biloba, ginseng, guarana, etc. in high doses can alter heart rhythm.
- Amphetamine
- Pseudoephedirine or some cold related medications
- Illegal drugs like Marijuana or cocaine in excess.
- Certain Diet Pills
- Excess Alcohol
- Excess Caffeine [Tea, coffee, chocolate, soft drinks with caffeine like coke, pepsi or mountain dew]
- Amino acids, Phenylalanine and Tyrosine in high doses.
Other reasons
- Dehydration
- Stress
- Low blood oxygen
- Asthma
- High fever
- Anemia
- Pregnancy
- Hypertension [High blood pressure]
- Anxiety or fear
- Athletes – Because their hearts are well toned, their heart rate is usually lower than normal.