CMT Final Exam Study Guide | Questions with 100% Correct Answers | Verified

If one PVC interrupts a regular sinus rhythm strip use ________ method may be used to calculate heart rate. State this information under "___________": R-R's regular, but interrupted by a PVC. - correct answer 1500, Rhythm 6 second strips with 2 or more _______________ beats - you may use six second method for calculating heart rate (if PVC/PJC, count in heart rate) - correct answer premature For rhythms with _________, ____________, ________________, _____________ , use six second method to calculate HR - correct answer V-TACH, pauses, arrest, escape beats 1st step in rhythm analysis is heart ___________ - correct answer rhythm If you measure a QRS .12 or greater, consider ________________ for answer - correct answer wide QRS ______ is the best lead to assess left or right bundle branch block - correct answer V1 For a strip with a PVC or V-TACH RUN, consider the pattern ___________________ - correct answer irregular Define rhythmicity - ________ __________________ - correct answer heart rhythm Define _________________- shape and size of specific complex or waveform - correct answer morphology Minimum length before interruption of a tracing is ___________ seconds - correct answer 6 The ventricles are ___________ at max systole - correct answer empty Know how to identify fine/coarse ventricular fibrillation - correct answer How do we determine the rate for ventricular fibrillation? - correct answer What role does calcium play with cardiac function? - correct answer produces muscle contractions Purkinje fibers are located along the ________________ _____________ _____ - correct answer myocardial septal wall Both ST segment and T wave represent the period of _____________________ - correct answer repolarization Idioventricular Rhythm with escape beat - correct answer 3 rd Degree Heart Block - correct answer 2nd Degree Type I - correct answer 2 nd Degree Type II - correct answer 1st Degree Heart Block - correct answer Know all heart rate parameters associated with each rhythm. - correct answer Normal Sinus Rhythm: HR range is _______ - _______ - correct answer 60-100 Torsades De Pointes - Most accurate is ______________ ____________(measure boxes between 2 LARGE ventricular complexes) Rate will be very fast and will vary between complexes throughout strip (example: 3-5 small boxes) Ventricular rate will likely be 300. - correct answer 1500 method Sinus Pause / Arrest (Know how to calculate time of pause/arrest) - correct answer # of big boxes x .20 + # of small boxes x .04 = pause/arrest in seconds