Approximately 14 days after implantation of ICD, patients were randomized in a double-blind manner to cardiac resynchronization treatment ... At baseline, the mean QRS interval was 107 msec, ...

Shares of QRS were halted for trading before the market opened Friday morning. Friday on the Nasdaq Stock Market, shares of QRS closed up 47 cents, or 7.4%, at $6.82. Dow Jones Newswires ...

TORONTO, ONTARIO--(Marketwire - March 7, 2013) - Halo Resources Ltd. (TSX VENTURE:HLO)(HRLN.F) ("Halo") and QRS Capital Corp. (TSX VENTURE:QRS) ("QRS") announce that they have entered into a letter of ...

We conducted a multicenter, double-blind, randomized, controlled study, called the Resynchronization–Defibrillation for Ambulatory Heart Failure Trial (RAFT), to determine whether the addition ...

Example #3 . These QRS complexes are less than two large boxes apart, thus the heart rate is between 150 and 300 bpm. Multiply the number of QRS complexes by six for the ventricular rate — that ...

A combination of the Q wave, R wave and S wave, the “QRS complex” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these waves; yet ...

But in terms of patients with an LVAD, whether QRS duration affects outcomes "hasn't been well documented before," he said. The investigators first examined records for all 343 patients who ...

Did you know that certain medications can cause symptom of 'QRS complex'. Find these drugs listed on the page and be warned of similar symptoms as possible side-effects.

There are clearly extra QRS complexes that are of different morphology compared to the QRS complexes with preceding p waves, ie, the sinus beats. The extra QRS complexes are broader and bigger ...