HOAG ECG ACTUAL TEST QUESTIONS AND CORRECT ANSWERS EXPERT REVIEW EDITION

HOAG ECG ACTUAL TEST QUESTIONS AND
CORRECT ANSWERS EXPERT REVIEW
EDITION

●● Systole
Answer: The contraction of the heart


●● Willem Eithoven
Answer: A dutch physiologist who developed techinques to record the
electrical activity of the heart in the late 1800s


●● Normal Sinus Rhythm(NSR)
Answer: Regular heart rate of 60-80 bpm


●● Sinus Bradycardia
Answer: A heart rate below 60 bpm


●● Sinus Tachycardia
Answer: A heart rate above 100 bpm


●● Polarization
Answer: The resting state of the myocardial wall, no electrical activity

, ●● Depolarization
Answer: The elecrical system of the heart stimulates a myocardial cell,
resulting in the contraction of the stimulated heart muscle


●● Repolarization
Answer: The process of reaching the resting state before the heart
muscle cells can be electrically stimulated again


●● P wave
Answer: The first deflection=occurs during the contraction of the atria


●● PR segment
Answer: return to baseline after atrial contraction


●● QRS complex
Answer: contraction of both ventricles


●● ST segment
Answer: Time between the end of ventricular contraction and the
beginning of ventricular recovery


●● T wave