IBHRE Exam With 100% Correct
Answers 2023
101: Which of the following limited sens diagnostic tools has not been shown to be a +
predictor for increased risk of SCD?
Signal alternans
T-wave alternans
Heart rate variability
P-wave dispersion - Correct Answer-P-wave disperson
102:What will significantly lower myocardial stim thresholds?
mineralocorticoids
lidocaine
verapamil
dexamethasone sodium phosphate - Correct Answer-dexamethasone sodium
phosphate
103: What may elevate myocardia stim thresholds?
acidsosis, exercise, atropine
eating, hyperoxia, insulin
acidosis, alkalosis, hypoxia - Correct Answer-acidosis, alkalosis, hypoxia
104: AV Block and VT/VF is a result of which disease? - Correct Answer-Chagas
disease
105: 75 yo with AF is being treated with Warfarin to help prevent stroke. Which of the
following INR range is most appropriate?
1-2
2-3
3-4 - Correct Answer-2-3
106: 80 yo male with AF with uncontrolled VR for 2 years. mild-moderate symptoms
with rapid rates. Based on AFFIRM, what would you recommend to treat?
-AV nodal ablation with ppm
-rhythm control with cardioversion
-rate control and anticoagulation therapy
-atrial ICD or MAZE-COX III procedure - Correct Answer-rate control and antic
107: Which drug carry highest risk of torsades?
- quinidine 1a, procainamide 1a, disopyrimide
-lido 1b, mexiletine 1b, phenytoin
-flecainide 1c, metoprolol, atenolol - Correct Answer-A
, 115: Approximate number of SD episodes in US each year?
450000
750000
1000000
1500000 - Correct Answer-A
119: Neuromuscular disease with any degree of fasicul block is considered class IIB
indic for pacing. This is following example of:
Erbs dystrophy
Lymes disease
chagas disease
WPW syndrome - Correct Answer-A
122: What meds make you more prone to long QT or Torsades de pointes?
class Ia, Ib, diuretics
Class I III, IV, and hormonal replacement therapy
Class II, III, IV and alpha gonist
Class IC, III, erythromycin, azithromycin, and tricyclic antidepressants - Correct Answer-
D
134: Which of the following is considered first line of drug therapy for malignant
vasovagal syncope
-metoprolol
-midodrine hydrochloride
-hydralazine
-nitrates - Correct Answer-
138: idiopathic dilated cardiom pt was implanted with ICD due to aborted sudden death.
Pt on amio to decrease frequency of VT episodes. Result of amio therapy was
thyrotoxicosis which manifest itself by? - Correct Answer-Polymorphic VT
139: ARVD is different from Brugada syndrome by presenting with:
Poly VT or VF
RBBB
Mono VT
SCD - Correct Answer-monomorphic VT in ARVD, Brugada has VT/VF
141 Which has not been linked as a trigger mechanism for torsades de pointes?
licorice
lbutilide
amiodarone
adenosine - Correct Answer-adenosine
171: Where would you expect to see A to A or V to A intervals longer than one may
expect?
-t wave sensing, high thres, EMI
Answers 2023
101: Which of the following limited sens diagnostic tools has not been shown to be a +
predictor for increased risk of SCD?
Signal alternans
T-wave alternans
Heart rate variability
P-wave dispersion - Correct Answer-P-wave disperson
102:What will significantly lower myocardial stim thresholds?
mineralocorticoids
lidocaine
verapamil
dexamethasone sodium phosphate - Correct Answer-dexamethasone sodium
phosphate
103: What may elevate myocardia stim thresholds?
acidsosis, exercise, atropine
eating, hyperoxia, insulin
acidosis, alkalosis, hypoxia - Correct Answer-acidosis, alkalosis, hypoxia
104: AV Block and VT/VF is a result of which disease? - Correct Answer-Chagas
disease
105: 75 yo with AF is being treated with Warfarin to help prevent stroke. Which of the
following INR range is most appropriate?
1-2
2-3
3-4 - Correct Answer-2-3
106: 80 yo male with AF with uncontrolled VR for 2 years. mild-moderate symptoms
with rapid rates. Based on AFFIRM, what would you recommend to treat?
-AV nodal ablation with ppm
-rhythm control with cardioversion
-rate control and anticoagulation therapy
-atrial ICD or MAZE-COX III procedure - Correct Answer-rate control and antic
107: Which drug carry highest risk of torsades?
- quinidine 1a, procainamide 1a, disopyrimide
-lido 1b, mexiletine 1b, phenytoin
-flecainide 1c, metoprolol, atenolol - Correct Answer-A
, 115: Approximate number of SD episodes in US each year?
450000
750000
1000000
1500000 - Correct Answer-A
119: Neuromuscular disease with any degree of fasicul block is considered class IIB
indic for pacing. This is following example of:
Erbs dystrophy
Lymes disease
chagas disease
WPW syndrome - Correct Answer-A
122: What meds make you more prone to long QT or Torsades de pointes?
class Ia, Ib, diuretics
Class I III, IV, and hormonal replacement therapy
Class II, III, IV and alpha gonist
Class IC, III, erythromycin, azithromycin, and tricyclic antidepressants - Correct Answer-
D
134: Which of the following is considered first line of drug therapy for malignant
vasovagal syncope
-metoprolol
-midodrine hydrochloride
-hydralazine
-nitrates - Correct Answer-
138: idiopathic dilated cardiom pt was implanted with ICD due to aborted sudden death.
Pt on amio to decrease frequency of VT episodes. Result of amio therapy was
thyrotoxicosis which manifest itself by? - Correct Answer-Polymorphic VT
139: ARVD is different from Brugada syndrome by presenting with:
Poly VT or VF
RBBB
Mono VT
SCD - Correct Answer-monomorphic VT in ARVD, Brugada has VT/VF
141 Which has not been linked as a trigger mechanism for torsades de pointes?
licorice
lbutilide
amiodarone
adenosine - Correct Answer-adenosine
171: Where would you expect to see A to A or V to A intervals longer than one may
expect?
-t wave sensing, high thres, EMI
