Sinus rhythm with a beat-to-beat variation in the P-P interval the time between successive P waves , producing an irregular ventricular rate. Normal sinus P waves with a constant morphology i.e. no evidence of premature atrial contractions . Sinus arrhythmia is a normal .Sinus arrhythmia is discussed including the ECG criteria, cause and the treatment..Learn definitions, causes, criteria ECG , clinical implications of respiratory sinus arrhythmia, sinus tachycardia and inappropriate sinus tachycardia. Includes a complete e-book, video lectures, clinical management, guidelines and much more..
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A brief review of the definition and ECG features of sinus arrhythmia, with example ECGs..
Sinus arrhythmia refers to a changing sinus node rate with the respiratory cycle, on inspiration and expiration. This is quite common in young, healthy individuals .
Normal sinus rhythm NSR is the characteristic rhythm of the healthy human heart. NSR is the rhythm that originates from the sinus node. The rate in NSR is generally regular but will vary depending on autonomic inputs into the sinus node. There can be an irregularity in the sinus rate and, when this occurs, it is termed "sinus arrhythmia"..
Ask a Texas Heart Institute Doctor Informed patients make better patients. Question: What does sinus arrhythmia mean? Should I be worried? I recently had an ECG done .