CCDS IBHRE PRACTICE EXAM 2023 ACTUAL EXAM ALL QUESTIONS AND CORRECT ANSWERS ALREADY GRADED A+

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CCDS IBHRE PRACTICE EXAM 2023 ACTUAL
EXAM ALL QUESTIONS
AND CORRECT ANSWERS ALREADY GRADED
A+ LATEST AND COMPLKWTW EDITION WITH
VERIFIED SOLUTIONS ASSURED PASS!!!


Stroke volume increases by ______ in healthy parients while exercising -
ANSWER: 50%


What does the EKG deflection look like when the impulse is right at the lead tip? -
ANSWER: No waveform deflection


What is the universal lead? - ANSWER: IS-1


What is pacemaker syndrome? - ANSWER: hemodynamic instability caused by
ventricular pacing and loss of AV synchrony; often seen in single chamber ppm


Types of Heart Block:
Type 1 - ANSWER: Prolonged PR interval (>200ms) common in athletes,
normally asymtomatic


Types of Heart Block:
Second Degree Mobitz 1 - ANSWER: - Wenckebach
- P-R interval gets longer with each beat
- R wave eventually Dropped

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- Cycle repeats
- R-R irregular


Types of Heart Block:
Second Degree Mobitz Type II - ANSWER: - Dropped beats that are not preceded
by a change in the length of the PR interval
- Often found as a 2:1 block, where there are 2 or more P waves to 1 QRS
complex.
- Treatment: pacemaker


Types of Heart Block:
Third Degree - ANSWER: CHB, No Association between A and V, 20-40bpm


First Degree or Second Degree Mobitz I with symptoms of pacemaker syndrome is
what class of indication? - ANSWER: IIa


*symptoms present*


Pacing Indication Classes - ANSWER: Class 1 - approved, necessary
Class 2a - approved, history shows strong results
Class 2b - approved, history not as definitive
Class 3 - Contraindication


What test is used for possible lead perferation? - ANSWER: CT Scan

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Adenosine - ANSWER: useful in SVTs and re entrant tachy; blocks rhythms at the
AV node


Pediatric PPM Class 1 indications - ANSWER: - Second and third degree block w/
symptomatic Brady, V dysfunction, low C.O.
- Symptomatic Brady due to SND
- postoperative second or third degree block that's not expected to resolve
- congenital CHB
- CHB with a rate <55


Pediatric PPM IIa indications - ANSWER: - prevention of recurrent episodes in
patient with sinus brady
-


Drugs:
Adenosine - ANSWER: Useful in SVTs and re entrant tachy; block conduction at
AV node


Drugs:
Magnesium - ANSWER: Torsades; suppresses the afterrdepolarizations


Drugs:
Digoxin - ANSWER: Slows ventricular responds in AF/AFl; increases refractory
time of AV node


Drugs:

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Dofetilide - ANSWER: AF


Syncope Indications:
Class 1 - ANSWER: Recurrent syncope cause by carotid sinus hypersensitivity in
patients not taking cardioinhibitory meds


Syncope Indications:
Class IIa - ANSWER: Syncope in the absence of provocative events with a pause
>3s with carotid massage


Syncope indications:
Class IIb - ANSWER: Recurrent symptomatic neurocardiogenic syncope with a
with a cardioinhibitory response during tilt table test


Syncope Indications:
Class III - ANSWER: Pause response without/with minimal symptoms


Indications for ppm after a heart transplant - ANSWER: Sinus Brady and
chronotropic incompetence


Hypokalemia (low potassium) - ANSWER: cardiac electrical instability and
ventricular dysrhythmias; torsades


due to fluid overload


Hydroxchloroquine and/or azithromycin