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Trans-telephonic event monitors are more effective and cost-effective than Holter monitors for most patients.īradycardia caused by advanced arteriovenousīradycardia-tachycardia syndrome (sick sinus syndrome) Holter monitoring for 24 to 48 hours may be appropriate in patients with daily palpitations. In other contexts, irregular heartbeats may be the precursor to a heart attack or an indication of some other serious problem. Sometimes, irregular heartbeat (arrhythmia) is a relatively benign condition. If people do not receive treatment for arrhythmia, it can lead to life-threatening complications. Most of the time, an ectopic heartbeat is harmless and doesn’t result from an underlying heart problem or health condition. Your heart can also skip a beat or feel like it’s racing or fluttering. It happens when your heart contracts (beats) too soon. When palpitations occur unpredictably or do not occur daily, an initial two-week course of continuous closed-loop event recording is indicated. There are a number of causes for an irregular heartbeat. Arrhythmia can cause a person’s heart to beat too fast, too slowly, or with an irregular rhythm. An ectopic heartbeat is a type of arrhythmia (irregular heartbeat).

Ambulatory electrocardiographic (ECG) monitoring usually is indicated if the etiology of palpitations cannot be determined from the patient’s history, physical examination, and resting ECG. No cause for the palpitations can be found in up to 16 percent of patients. Palpitations also can result from stimulant drugs, and over-the-counter and prescription medications. Nonarrhythmic cardiac problems, such as mitral valve prolapse, pericarditis, and congestive heart failure, and noncardiac problems, such as hyperthyroidism, vasovagal syncope, and hypoglycemia, can cause palpitations. Palpitations should be considered as potentially more serious if they are associated with dizziness, near-syncope, or syncope. However, any arrhythmia, including sinus tachycardia, atrial fibrillation, premature ventricular contractions, or ventricular tachycardia, can cause palpitations. Most patients with arrhythmias do not complain of palpitations. Palpitations-sensations of a rapid or irregular heartbeat-are most often caused by cardiac arrhythmias or anxiety.