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CCI CRAT EXAM NEWEST 2025 ACTUAL EXAM TEST
BANK| COMPLETE 400 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) GRADED A+| CCI CERTIFIED RHYTHM
ANALYSIS TECHNICIAN EXAM || BRAND NEW!!
How many seconds does one small box horizontally represent? - ANSWER - 0.04 seconds (thus 5 small boxes horizontally, equals 0.20 seconds (one large box)).
What is the normal/typical speed of EKG paper? - ANSWER - 25 mm/second
Name the lettered components of a normal heartbeat found on an EKG?
- ANSWER - P, Q, R, S, T, U
What is a P-wave and what does it represent in a heart beat? - ANSWER
- The first deflection.
Normally positive (upward) waveform.Indicates atrial depolarization.
What follows a p-wave on an EKG tracing? - ANSWER - A QRS Complex.
What does a QRS complex represent? - ANSWER - Ventricular Depolarization 1 / 4
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pg. 2 What is a t-wave and what does it represent in a heart beat? - ANSWER
- A "normally" modest positive (upward) waveform.
Indicates ventricular repolarization.
treatments for a junctional escape rhythm are? - ANSWER - atropine and temporary or permanent pacemaker
signs associated with atrial flutter are? - ANSWER - saw tooth waves, no pwave, regular ventricular rate, decrease cardiac output by 20-30%
causes and identifiers of Left Bundle Branch Block - ANSWER - aortic stenosis, degenerative conduction system changes, CAD, hypertensive heart disease, QRS greater than 0.12
cardiac cells ability to start impulses on their own is called? - ANSWER
- automaticity
what are the barriers in patient-doctor communication? - ANSWER - med effect, dysphonia, altered mental status, speech ability, foreign language, time constraint, inability to meet face to face, illness, racial/cultural differences, CVA, psychological illness. NOT SERUM
GLUCOSE LEVEL
what is the artifact filter used to reduce movement/tremors? - ANSWER
- 40 Hz
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pg. 3 tips for provide good patient education are? - ANSWER - use tech when appropriate, determine best learning style, include family, attempt to stimulate interest, consider strengths and weaknesses of patient.
characteristics of a PWAVE are? - ANSWER - - location-before QRS
- duration <0.12
- amplitude <0.25mV
-configuration - upright/rounded -deflection - upright in lead I,II,AVp,V6
left bundle branch splits into two branches known as? - ANSWER - fasciculi
what causes AJR to appear normal? - ANSWER - ventricular depolarization is normal at this rhythm
lack of electrical activity in the atrium causes? - ANSWER - sinus arrest
Letter M on QRS complex known as? - ANSWER - Right Bundle Branch Block
what are the 3D leads? - ANSWER - V1-V6
what is the largest artery in the human body? - ANSWER - ascending aorta 3 / 4
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- steps of the cardiac cycle - ANSWER - atrial systole, isovolumetric
contraction, ventricular ejection, isovolumetric relaxation, ventricular filling
common causes of junctional escape rhythm - ANSWER - CHF, vagal stimulation, sick sinus syndrome, digoxin toxicity, electrolyte imbalance, rheumatic disease, inferior wall MI
U wave is present when there is a ? - ANSWER - very low potassium level
when an ECG is calibrated it is set to? - ANSWER - 1/1
treatments for JT include? - ANSWER - ablation and/or permanent pacemaker
at minimum how long of a measurement is used to determine if a pwave is occurring regularly or irregularly? - ANSWER - 10 seconds
hypokalemia causes ? - ANSWER - U wave, flat T wave, long QT
the layer that covers the myocardium? - ANSWER - epicardium
what axis is voltage measured? - ANSWER - vertical axis
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