Mastersquiz1

define tachycardia - Answer fast, rapid heartbeat bradycardia - Answer slow heartbeat arrhythmia - Answer improper beating of the hear (irregular/too fast/ too slow) cardiac ischemia - Answer lack of blood flow and oxygen to the heart muscle ventricular fibrillatin - Answer life-threatening heart rhythm that results in a rapid, inadequate heartbeat premature contractions - Answer extra, abnormal heartbeats that begin in the ventricles holter monitor - Answer portable device tha...

Which heart rhythm is characterized by the following: P waves and QRS are firing on their own (they are disassociated) Slow ventricular rate. - Answer 3rd degree heart block Normal PR interval? - Answer 0.12-0.20 Normal QRS? - Answer 0.04-0.12 This heart rhythm changes with inspiration - Answer Sinus arrhythmia Rhythm characterized by a sawtooth pattern on EKG - Answer Atrial flutter Any rate that is > 150 = - Answer Supraventricular tachycardia (SVT) When does PVC becom...

Angle of Louis? - Answer 2nd Intercostal Space Ground Electrode of Telemetry Monitor? - Answer Green Electrode The Holter Monitor has how many electodes? - Answer 5 Demand Pacemaker is noted when? - Answer A thin perfectly straight vertical line occurs randomly on EKG tracing For an infant EKG, you must do what? - Answer Increase the speed of the EKG machine and it will widen out the waveforms Most accurate temperature check site? - Answer Rectal What is the reference lead on t...

Supraventricular Tachycardia - Answer Cardiovert Patient Sinus Rhythm with Bigeminal PACs - Answer Bring the patient a cup of decaf coffee 3rd degree Heart Block/ Complete heart block - Answer Consider pacing Sinus rhythm - Answer No treatment is indicated Torsades - Answer IV magnesium Pacemaker rhythm with undersensing - Answer Decrease mV to increase sensitivity on the

1 small box = __ seconds - Answer .04 s 1 large box = __ seconds - Answer .20 s __ small boxes = 1 large box - Answer 5 small boxes What is the amplitude of each small box? - Answer 1 mm or .1 mV The normal height of EKG standardization is __ mV or __ mm. - Answer 1 mV 10 mm What formula can be used to calculate heart rate given the R-R interval? (assume regular rhythm) - Answer 300 / # large boxes in R-R interval 1500 / # small boxes in R-R interval If there are 3 large boxe...

After completing an EKG on a patient, which of the following should the tech perform next? - Answer Before disconnecting patient from the machine, check that the tracing is free from artifacts Communication with members of the health care team can be accomplished through which of the following methods? - Answer Electronic health record and verbal exchange During a stress test an EKG technician notices the patient to be hyperventilating. Which of the following is an appropriate course of ac...

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Which of the following is NOT considered a "WHO" criteria for the diagnosis of myocardial infarction? - Answer History of congestive heart failure The EKG machine is properly standardized if 1mV produces a deflection of: - Answer 10mm The EKG records the: - Answer Electrical activity of the heart The following valves are called semilunar because they have half-moon shaped cusps: - Answer Aortic and pulmonic valves The stylus marks the EKG paper by using: - Answer Heat Which of t...

A technician is preparing a patient for a 12-lead EKG. Which of the following is the correct placement for lead V4? A) The 5th intercostal space at the midclavicular line. B) The 4th intercostal space at the midaxillary line. C) The 5th intercostal space at the midaxillary line. D) The 4th intercostal space at the midclavicular line. - Answer The 5th intercostal space at the mid clavicle line The R-R internal on a patient's tracing has five large boxes. Which of the following is the pati...

Left Ventricular Hypertrophy - Answer R wave in V5 is increased and S wave in V1 is increased Both are added together and should be greater than 35 mm Describe the placement of the V5 Lead - Answer 5th intercoastal space halfway between V4 and V6 on the L side of the heart _________is when the PR interval becomes longer and longer until a beat is skipped - Answer 2nd Degee AV block: Mobitz 1 What does Systolic blood pressure mean? - Answer peak blood pressure during ventricle contracti...