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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 the central and most visually obvious part of the tracing.
P=P wave, PR=PR interval, QRS=QRS complex, QT=QT interval, ST=ST segment, T=T wave Wiggers with jugular venous waveform Wiggers diagram with mechanical (echo), electrical (ECG), and aortic pressure (catheter) waveforms, together with an in-ear dynamic pressure waveform measured using a novel infrasonic hemodynography technology, for a patient ...
High frequency QRS (HFQRS) refers to the analysis of the high frequency spectral components of the QRS complex in an electrocardiogram (ECG). High frequency analysis of the QRS complex may be useful for detection of coronary artery disease during an exercise stress test. [ 1 ]
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Two years after the death of her husband Stephen "tWitch" Boss, Allison Holker is speaking out. And Boss' family and friends are outraged. Holker, 36, opened up to People magazine in a revealing ...
As the holiday season gets underway, many parties and gatherings might include a gift exchange.Along with Secret Santas and cookie swaps, guests might be invited to participate in a White Elephant ...
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13.67237 shares of Getty Images common stock for each share of Shutterstock common stock they own. A mixed consideration of 9.17 shares of Getty Images common stock plus $9.50 in cash for each ...