Arrythmias
The medical term for a heart rate less than 60 BMP
What is sinus bradycardia?
A patient should not smoke or consume caffeine for how long prior to an exercise stress test
What is 3 hours?
The QRS complex signifies what state during contraction
What is ventricular depolarization?
An upward, downward movement of the waveform
What is a wandering baseline?
This electrode is considered the "ground"
What is the right leg?
Arrythmia in which the atria are contracting much faster than the ventricles (up to 300 BPM)
What is atrial flutter?
An ICD (implanted cardioverter-defibrillator) can perform these two functions
What is pacing and shocking?
The PR segment on an ECG appears as what
What is an isoelectric line?
This waveform appears as jagged spikes with irregular heights and spacing
What is somatic tremor artifact?
The lead located at the fourth intercostal space to the left of the sternal edge
What is V2
Arrythmia that occurs when the ventricles beat at a rapid rate (up to 250 BPM)
What is ventricular tachycardia?
The function of a nuclear stress test
What is showing blood flow through the heart during rest and activity?
This wave represents repolarization of the purkinje fibers
What is the U wave?
This waveform appears as small spikes that create a thick-looking tracing
What is AC interference artifact?
This lead is located at the fifth intercostal space, midclavicular line
What is V4?
The absence of a heart beat
What is asystole?
The usual amount of time a Holter monitor is used for
What is 24-48 hours?
The T wave signifies this electrical state
What is ventricular repolarization?
Do this to the ECG settings if the patient's heart rate is very slow
What is reduce the chart speed? This helps capture more waveforms on the paper.
This lead is located at the fifth intercostal space, midaxillary line
What is V6?
Life threatening arrythmia in which the ventricles quiver uncontrollably
What is ventricular fibrillation?
A test that uses ultrasonic waves directed at the heart to view the structure and motion of the heart
The state of the cardiac cells when resting
What is polarized state?
What ECG setting is required for very tall waveforms?
This is the location of the the leg leads when doing an ECG
What is the inner lower leg, just above the ankle?