Certified EkG technician (CET) practice test 2.0 A

Certified EkG technician (CET) practice test 2.0 A when should the assistant reduce the speed to 50mm/ second? - ANSWER-when a patient has a fast heart rate when are 10mm/ second and 5mm/second used? - ANSWER-for patients that have slow heart rates During a 5-lead EKG, lead 2 and 3 are not yielding a reading, what limbs should the technician check? - ANSWER-left leg what describes a pulse oximetry of 88% - ANSWER-hypoxemia a thin spike before the P wave indicates that a pacemaker has been implanted to pace what? - ANSWER-atria which locations is used for a patient's apical pulse? - ANSWER-between the fifth and sixth ribs, at the left midclavicular line if having trouble visualizing the patients chest movement, what actions should the technician take to obtain an accurate respiratory rate for the patient? - ANSWER-place a hand on the middle of the patients back to count the respirations what intervals should be used to determine the regularity of ventricular depolarization? - ANSWER-R-R wave interval when placing electrodes on the patients for telemetry, what locations should an EKG technician place the ground electrode? - ANSWER-on the right lower leg