How long is the QT interval in the figure below: PR interval.jpg

Identify the abnormal cardiac cycle. 

The control/sensitivity on the ECG machine that increases or decreases the size of the ECG tracing is the:

What does stress electrocardiography evaluate?

The ECG waveform has various components  used determine the type of cardiac rhythm. Select the most common components used to determine a dysrhythmia.

Which heart rate method calculation is the only one to be used for irregular rhythms?

When estimating the heart rate with the 6-second method, you locate 6 seconds on a rhythm strip, count the number of complete cardiac cycles, and multiply by:

You have begun performing an ECG on a patient who is awake and alert, and the tracing appears as a flat line. What is the FIRST thing you should do?

Mrs. Hansen has an ambulatory monitor in place. What instructions do you give her regarding the electrodes?

Identify the rectangular form below: