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Basic 12-Lead vocab

Cardiac Monitoring Vocab Basic

QuestionAnswer
4-Lead ECG An ECG that uses 4 leads attached to the pts skin; these include the limb leads
12-Lead ECG An ECG that uses 12 leads attached to the pts skin; these include the limb leads and chest leads
arrhythmia Abnormal rhythm of the heart, sometimes called a dysrhythmia
asystole The complete absence of any electrical cardiac activity, appearing as a straight or almost straight line on an ECG strip.
cardiac monitoring The act of viewing the electrical activity of the heart thru the use of an ECG machine or cardiac monitor
Chest leads the leads that are used only with a 12-lead ECG and must be placed exactly; includes leads V1, V2, V3, V4, V5, and V6
ECG Electrocardiogram; an electronic tracing of the heart's electrical activity thru leads, which originate in the electrocardiograph machine and contain electrodes that attach to the pts chest and/or limbs
Electrical conduction system A network of special cells in the heart thru which an electrical current flows, causing contractions of the heart that produce pumping of blood.
Limb leads the four leads used with a 4-lead ECG; placed on or close to the right arm, left arm, right leg, and left leg
normal sinus rhythm A rhythm that has consistent P waves, consistent P-R intervals, and a regular heart rate between 601 and 100 beats/min
sinus bradycardia A rhythm that has consistent P waves, consistent P-R intervals, and a regular heart rate that is less than 60 beats/min
sinus rhythm A rhythm in which the SA node acts as the pacemaker.
sinus tachycardia A rhythm that has consistent P waves, consistent P-R intervals, and a regular heart rate that is more than 100 beats/min.
ventricular fibrillation A rapid, completely disorganized ventricular rhythm with chaotic characteristics, no specific pattern, and no discernable P, QRS, or T waves
ventricular tachycardia The presence of three or more abnormal ventricular complexes in a row with a rate of more than 100 beats/min.
Created by: kcpatterson