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The term normal sinus rhythm (NSR) is sometimes used to denote a specific type of sinus rhythm where all other measurements on the ECG also fall within designated normal limits, giving rise to the characteristic appearance of the ECG when the electrical conduction system of the heart is functioning normally; however, other sinus rhythms can be ...
Description: Schematic diagram of normal sinus rhythm for a human heart as seen on ECG, two periods forming a RR-interval. Date: 23 September 2009, 10:15 (UTC): Source
Sinus arrhythmia is a commonly encountered variation of normal sinus rhythm. Sinus arrhythmia characteristically presents with an irregular rate in which the variation in the R-R interval is more than 0.12 seconds (120 milliseconds).
Sinus arrhythmia is an irregular rhythm with a ventricular rate of 60 - 100 normally, however a slow rhythm can be distinguished when the rate is less than 60, the PR interval and QRS complex are normal. Sinus pause is a regular rhythm however a sudden pause occurs in the rhythm which makes it miss a few beats, if the rhythm resumes on time ...
Schematic representation of a normal sinus rhythm ECG wave. Diagram showing how the polarity of the QRS complex in leads I, II, and III can be used to estimate the heart's electrical axis in the frontal plane. The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG). It is usually ...
Schematic diagram of sinus rhythm for a human heart as seen on ECG (with English labels). Date: 13 January 2007, 23:40: Source: SinusRhythmLabels.png: Author: Created by Agateller (Anthony Atkielski), converted to svg by atom. Other versions
Normal P wave, shown in darker red Diagram demonstrating features of a normal sinus rhythm electrocardiogram wave. In cardiology, the P wave on an electrocardiogram (ECG) represents atrial depolarization, which results in atrial contraction, or atrial systole.
Normal sinus rhythm and ectopic beats - premature ventricular contractions (PVC) and premature atrial contractions (PAC) shown on an EKG. PVCs may be found incidentally on cardiac tests such as a 12-lead electrocardiogram (ECG/EKG) performed for another reason. In those with symptoms suggestive of premature ventricular complexes, the ECG/EKG is ...