what is the most accurate method for acquiring heart rate?
1500 method
As an impulse moves toward a positive electrode it produces what type of deflection?
upward
on ECG papers horizontal measurements are used to determine what?
heart rate
the initiation of the impulse in the SA Node and its movement through the atria
produce?
P-wave
repolarization of the ventricles is represented by the?
T-wave
artifact is?
problematic because it can mimic life-threatening dysrhythmias
two PVC's in a row are called a:
couplet
the heart valve that is situated between the right atrium and the right ventricle is called?
the tricuspid valve
automaticity means:
the ability of certain cells to produce an electrical impulse without the need for outside
nerve stimulation
each small square running horizontally represents:
0.04 seconds
how many electrosdes are used as part of a 12-lead ECG?
10
the third step of analyzing an ECG rhythm is?
evaluate the P-wave
the PR-intervals get progressively longer in:
2nd degree AV heart block, Type I
a heart rate below 60 bpm is called:
bradycardia
atrial fibrillation has:
no P-waves
which patient education process lets you know that the teaching plan is working?
evaluation
which of the following actions is helpful in assisting patients with their needs?
keeping a list of community resources that can further assist the patient
what is used to mark an ECG paper?
a stylus
is a patient is said to be in asystole, the characteristics would be described as:
rate of 0 and no pulse
what method of preparation for the patient that will ensure a successful ECG recording?
making sure the patients legs are not crossed and the arms are resting at each side