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IBHRE CEPS EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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IBHRE CEPS EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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IBHRE CEPS EXAM 2024/2025 WITH 100%ACCURATE SOLUTIONS
Ohm's law equation - Precise Answer ✔✔V=IR
EKG monitored patient should be __________, monitor chassis should
be ___________ (nonconductive). Why - Precise Answer
✔✔ungrounded, grounded. Grounded patient would be able to conduct
leakage currents. we dont want this
lb to kg - Precise Answer ✔✔2.2 lb = 1 kg
F to C - Precise Answer ✔✔C=5/9(F-32)
C to F - Precise Answer ✔✔F=9/5C+32
3 things that change automaticity of automatic cells - Precise Answer
✔✔1. slope of phase 4
2. Change of threshold potential
3. Change of resting membrane potential
a systole is represented by what portion of the ECG - Precise Answer
✔✔QT interval
,What is main ion transfer during systole - Precise Answer ✔✔K+ seeps
out, Ca2+ enters
At rest, what is intracellular/extracellular environment - Precise Answer
✔✔inside negative, outside positive
What phase of AP is resting membrane potential - Precise Answer
✔✔phase 4
Nodal depolarization occurs via what channel - Precise Answer
✔✔Ca2+ slow channel
Cardiac muscle cell depol occurs via what channel - Precise Answer
✔✔Na+ fast channel
During which phases is cell refractory - Precise Answer ✔✔1,2,3
TDP caused by what mechanism usually - Precise Answer ✔✔EAD's
(triggered activity)
Variance - Precise Answer ✔✔Take each number in sample, subtract
each number from mean, square each difference, add all, divide sum by
number in sample -1
Standard deviation - Precise Answer ✔✔square root of variance
, P value - Precise Answer ✔✔Probability of certainty / smaller p value
means the more likely the result could not occur by chance
survival curve showing % of patients surviving treatment over time -
Precise Answer ✔✔Kaplan - Meier curves
when measuring EGM's, earliest atrial activation usually from _____
and earliest ventricular usually from ______ - Precise Answer ✔✔P
wave / QRS
Morady maneuver is used to differentiate - Precise Answer
✔✔differentiate AT from AVNRT/AVRT
Most common arrhythmia - Precise Answer ✔✔AF
Most common SVT - Precise Answer ✔✔AVNRT
What type of single use devices can be resterilized and why? - Precise
Answer ✔✔Diagnostic EP electrodes because lumen and technically not
a catheter because no lumen
Fr to mm - Precise Answer ✔✔1 Fr = .33 mm
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