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Definition: Premature ventricular contractions(PVCs) area unit additional, abnormal heartbeats that begin in one in all your heart's 2 lower pumping chambers (ventricles). These additional beats disrupt your regular cardiac rhythm, generally inflicting you to feel a flip-flop or skipped hammer in your chest. Premature bodily cavity contractions area unit quite common — they occur in the majority at some purpose. Premature bodily cavity contractions also are called: Premature bodily cavity complexes PVCs bodily cavity premature beats Extra systoles if you have got occasional premature bodily cavity contractions, however you are Associate in Nursing otherwise healthy person, there is usually no reason for concern, and no treatment is required. If you have got frequent premature bodily cavity contractions or underlying cardiopathy, you'll want treatment to assist you are feeling higher and treat underlying heart issues.
Symptoms: Premature bodily cavity contractions usually cause no symptoms. However you'll feel associate odd sensation in your chest, such as: Flip-flops, Fluttering, Pounding or jumping, Skipped beats or, incomprehensible beats, magnified awareness of your heartbeat
Treatment: Electrocardiogram: Standard ECG, Holter monitor, Event recorder, Exercise stress ECG
Statistics: In Netherlands, the analysis on Premature ventricular contractions got the result as two open-label studies in healthy male volunteers were performed. The initial study was a dose-response study in 10 subjects, which compared 3 infusion rates. Each volunteer received 3 continuous infusions with different infusion rates of the contrast agent for either 10 (n = 6) or 20 (n = 4) minutes. End-systolic triggered imaging with a mechanical index (MI) of 1.5 was used throughout this part of the study. The second study compared bolus injection with a continuous infusion in 9 volunteers, with a single-dose level but different imaging modalities: