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IBHRE CEPS Exam 2024/2025 With complete solutions latest update
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IBHRE CEPS Exam 2024/2025 With complete solutions latest update
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IBHRE CEPS ExamOhm's law equation Answer: V=IR
EKG monitored patient should be __________, monitor chassis should be
___________ (nonconductive). Why Answer: ungrounded, grounded.
Grounded patient would be able to conduct leakage currents. we dont
want this
lb to kg Answer: 2.2 lb = 1 kg
F to C Answer: C=5/9(F-32)
C to F Answer: F=9/5C+32
3 things that change automaticity of automatic cells 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 Answer: QT
interval
,What is main ion transfer during systole Answer: K+ seeps out, Ca2+
enters
At rest, what is intracellular/extracellular environment Answer:
inside negative, outside positive
What phase of AP is resting membrane potential Answer: phase 4
Nodal depolarization occurs via what channel Answer: Ca2+ slow
channel
Cardiac muscle cell depol occurs via what channel Answer: Na+ fast
channel
During which phases is cell refractory Answer: 1,2,3
TDP caused by what mechanism usually Answer: EAD's (triggered
activity)
Variance 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 Answer: square root of variance
, P value 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
Answer: Kaplan - Meier curves
when measuring EGM's, earliest atrial activation usually from _____ and
earliest ventricular usually from ______ Answer: P wave / QRS
Morady maneuver is used to differentiate Answer: differentiate AT
from AVNRT/AVRT
Most common arrhythmia Answer: AF
Most common SVT Answer: AVNRT
What type of single use devices can be resterilized and why? Answer:
Diagnostic EP electrodes because lumen and technically not a catheter
because no lumen
Fr to mm Answer: 1 Fr = .33 mm
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