The smaller of the chambers of the heart are the

The above ECG strip is six seconds in length. What is the approximate rate? (Use the “6 second method”)

According to Einthoven’s triangle, lead II is determined by: RA = Right arm LA = Lef arm LL = Left leg RL = Right leg

Which of the following reduces cardiac output. (Choose 3)

While an impulse travels through the AV junction, it is slowed down. This allows:

The Augmented leads are

The innermost layer of a blood vessel is the

Acetylcholine affects the heart by:

Your patient’s rhythm is regular with a rate of 30.  It has no P waves and the QRS width for each complex is 0.16 seconds.  What is the rhythm?

An abnormality in conduction through the ventricles  is identified on the ECG tracing by a(n):