Fainting (Syncope)
Fainting, medically known as syncope, is a sudden, temporary loss of consciousness caused by a drop in blood flow to the brain. While fainting can sometimes be harmless — due to dehydration, exhaustion, or standing up too quickly — it can also signal a serious heart or neurological condition that requires medical attention.
Common Heart-Related Causes
Abnormal Heart Rhythms (Arrhythmia): Irregular heartbeats can reduce blood flow to the brain, causing fainting.
Heart Valve Problems: Narrowed or leaky valves may limit blood flow and trigger syncope.
Heart Attack: Sudden blockage in the arteries can lead to loss of consciousness.
Heart Failure: A weak heart struggles to circulate blood properly, leading to dizziness and fainting spells.
Neurological & Other Causes
Seizures or other brain disorders
Sudden drop in blood pressure (orthostatic hypotension)
Dehydration or heat exhaustion
Low blood sugar (hypoglycemia)
Emotional stress, pain, or fear
Diagnosis & Treatment
ECG or Holter monitoring (to check heart rhythm)
Echocardiogram (to assess heart structure)
Blood pressure monitoring
Blood sugar and electrolyte tests
Brain imaging (if neurological cause suspected)
