Qrs Interval

QRS Complex Morphology Main features to consider: Width of the complexes: Narrow versus broad. Voltage (height) of the complexes. Spot diagnoses: Specific morphology patterns that are important to recognise. QRS Complex Naming Convention Courtesy of ECGwaves.com QRS Width Normal QRS width is 70-100 ms (a duration of 110 ms is sometimes observed in healthy subjects). The QRS width is useful in determining the origin of each QRS complex (e.g. sinus, atrial, junctional or ventricular). ...