Wide QRs Complex

So, by definition, a PVC is a wide complexed QRS, with a measurement in seconds of > 0.12s, since the electrical impulse that generates the PVC originates somewhere in the ventricle. PVC's can also be recognized by their vector, which is in... Read More »

Source: http://answers.yahoo.com/question/index?qid=20070514112416AAXCvPH

What is QRS complex in the heart?

An Electrocardiogram of a single heart beat shows three distinct waves. These are the P, QRS and T Waves. The QRS wave (normally the largest spike) in the electrocardiogram, is that of the ventricles depolarizing and contracting. Read More »

Source: http://wiki.answers.com/Q/What_is_QRS_complex_in_the_heart

What is QRS complex?

( ¦kyü¦är′es ′käm′pleks ) (medicine) The electrocardiographic deflection representing ventricular depolarization; the initial downward deflection is termed a Q wave; the initial upward deflection, an R wave; and the downward deflection foll... Read More »

Source: http://www.answers.com/topic/qrs-complex

What does QRS complex represent?

The ventricles contracting. Read More »

Source: http://wiki.answers.com/Q/What_does_QRS_complex_represent

What causes QRS complex to reverse?

left ventricular contraction Read More »

Source: http://wiki.answers.com/Q/What_causes_QRS_complex_to_reverse

When does a QRS complex occurs?

When ventricles depolarize Read More »

Source: http://wiki.answers.com/Q/When_does_a_QRS_complex_occurs

Transition of narrow into wide complex tachycardia with left bund...

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Source: http://www.ncbi.nlm.nih.gov/pubmed/17437581