Most people expect their heartbeat to be steady and regular. When the rhythm suddenly quickens or seems to skip beats, it can be concerning. Fortunately, many disturbances in heart rhythm are treatable, and some are entirely harmless despite causing discomforting symptoms.
The heart has its own electrical system that controls when each beat occurs. If this system sends signals improperly, the heart can beat too fast, too slow, or irregularly — a condition known as arrhythmia. Young adults often experience brief episodes of rapid heartbeat caused by abnormal electrical circuits present from birth. These episodes can strike unexpectedly and produce symptoms like pounding heartbeats, dizziness, sweating, anxiety, or fainting before stopping suddenly.
Extra heartbeats are also quite common. Those originating in the upper chambers are called premature atrial contractions (PACs), while those from the lower chambers are known as premature ventricular contractions (PVCs). In healthy individuals, these extra beats are generally unpleasant but not dangerous.
Lifestyle factors can sometimes contribute to irregular heart rhythms. Consuming large amounts of caffeine or alcohol, untreated thyroid issues, hormonal fluctuations, and poor sleep can all play a role. Making adjustments to reduce these triggers often leads to significant symptom improvement.
If lifestyle changes aren’t enough, doctors may prescribe medications or suggest procedures like catheter ablation. During ablation, specialists insert small catheters into the heart to target and eliminate the tiny areas responsible for abnormal signals. Most patients recover within a week.
As age advances, atrial fibrillation (AFib) becomes more common. Unlike occasional skipped beats, AFib can cause blood to pool in part of the heart, increasing the risk of clot formation. If a clot breaks loose, it can travel to the brain and cause a stroke. To prevent this, many people with AFib need blood-thinning medications, even after successful ablation. For those who can’t take blood thinners safely, a small implant may be used to seal the section of the heart where most clots develop.
Several methods are now available for ablation. Traditional techniques use heat or freezing, while newer pulsed field ablation employs short electrical pulses that primarily target heart muscle tissue, minimizing injury to nearby organs like the esophagus and vital nerves.
Recognizing when to seek medical help is crucial. Persistent palpitations, fainting, chest pain, shortness of breath, or symptoms lasting more than a few minutes should always prompt a visit to a healthcare professional.
Advances in treatment techniques have significantly improved the management of arrhythmias. Newer technologies make procedures safer and enable more individuals to return smoothly to their daily routines. However, not all irregular heartbeats require treatment. The appropriate approach depends on the specific type of arrhythmia, its cause, and the overall health of the individual.
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Source: Mayo Clinic.