speeds up
These sensations are commonly called palpitations.
Palpitations can have many causes.
Possible triggers include:
Stress
Anxiety
Caffeine
Nicotine
Alcohol
Dehydration
Fever
Certain medications
Hormonal changes
Electrolyte abnormalities
Abnormal heart rhythms
Some heart rhythm disorders can require medical evaluation and treatment.
When Palpitations Are More Concerning
Palpitations deserve urgent attention when they occur together with:
Chest pain
Severe shortness of breath
Fainting
Severe dizziness
Confusion
Extreme weakness
A rapid or irregular heartbeat combined with these symptoms can be more concerning than an isolated brief palpitation.
6. Dizziness, Lightheadedness, or Fainting
Feeling dizzy occasionally can happen for many reasons.
Standing up too quickly, dehydration, overheating, low blood sugar, medication effects, and other factors can cause temporary lightheadedness.
But unexplained fainting or repeated episodes of severe dizziness should not simply be ignored.
The heart plays a major role in maintaining blood flow to the brain.
If the heart rate becomes extremely
If circulation is impaired, the body may not receive the oxygen and nutrients it needs as efficiently.