A narrow QRS tachycardia is interposed by a wide QRS tachycardia, raising a possibility of VT during SVT. However, the rate stays the same, indicating that there is only 1 rhythm in this tracing ...

For the quality-of-life score (Panel C) and 6-minute walk distance (Panel D), shown are the median changes from baseline. In the CRT group, the QRS interval was 120 msec or more in 17 patients and ...

They concluded that the QRS voltage associated with pericardial effusion was diminished only in patients who also had cardiac tamponade. To quote precisely: "low QRS voltage is a feature of ...

“Fire department QRS teams are still going to be dispatched to any life-threatening emergency. That is not going to change,” said Jefferson County Emergency Services Director Tracy Zents.

The QT interval describes the time between the beginning of QRS complex and the end of T wave. A doctor looks for changes in the waves that could indicate a problem with the heart, such as CAD.

This should not be mistaken with normal QRS amplitude changes that can occur at times with normal respiration. This is termed "respirophasic variation" in the QRS complex and occurs more slowly ...

With the faster heart rate, the QRS complex morphology changes to that of a LBBB. As sinus rhythm restores, and the ventricular rate slows, the QRS morphology returns to normal. The Sgarbossa ...

QRS Streamer and QRS Streamer Solo are a great way to enjoy and experience musical performances curated from hundreds of famous artists and thousands of tracks. The plans also includes ...

Changes in NYHA class from baseline to 6 months ... although chronic kidney disease was more prevalent in the CRT group. The mean QRS duration measured by the centers was 105.0 msec for the ...