IBH Study guides, Class notes & Summaries

IBHRE Study set Exam Questions & Answers 2023/2024 What lead insulation materials are known for reducing fibroblast in growth and susceptibility to MIO and ESC? - ANSWER-ePTFE and 80A polyurethane What are the two most common causes of ventricular safety pacing ? - ANSWER-Ventricular ectopy and loss of atrial sensing What electrode material would most likely result in higher pacing thresholds and high polarization? - ANSWER-Elgiloy Which phase of the action potential would correlat...

CCDS IBHRE ACTUAL EXAM LATEST VERSION 2024 COMPLETE 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+.

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, a...

Silicone Lead Insulation (MDX/H.P./ETR-RX) correct answer: Proven history Longevity >15 years Very flexible Repairable Easy to process Can tear Reasonably tough Thicker walls Can abrade Polyurethane (Pellethane 80A) Lead Insulation correct answer: Adverse history (MIO/ESC) Longevity <7 years Flexible Not repairable Very process-dependent Somewhat tear-resistant Tougher Thinner walls Abrasion-resistant Polyurethane (Pellethane 55D) Lead Insulation correct answer: Pr...

168. Compared to the the permanent pacemaker, does a temp pacer have constant current or voltage? Also, how much voltage can it generate? 5V or 20V? correct answer: Constant current, 20V. (Doubles 9.5V) 171. Which patient with acute MI is most likely to need a temp pacer? Inferior MI, Mobitz I AV Bock Inferior MI, bundle branch block Anterior MI, Mobitz I AV Bock Anterior MI, bundle branch block correct answer: Anterior MI, bundle branch block Acute BBB post MI should be seen as a war...

Typical Symptoms correct answer: Chest pain Nausea Dizziness Palpitations Lightheadedness Syncope Shortness of breath Exercise intolerance Typical Signs correct answer: Jugular distension Cardiac murmur Low BP ECG abnormalities Pathological Causes of Abnormal Brady correct answer: SSS (inability to generate or transmit signal to atria) Drug effects (digitalis glycosides, beta blockers, Ca-channel blockers, Class I AA's, amiodarone SA block (impulses don't transmit to atria...

ICD Battery Types - 1. Li/SVO: Lithium/Silver-Vanadium Oxide (1st gen.) 2. Lithium/Manganese Dioxide (2 manufacturers) 3. Lithium/Silver-Vanadium Oxide-Carbon Monofluoride (2 manufacturers -MDT) Capacitor Types - -Aluminum Electrolytic -Tantalum 5 Phases of Cardiac Action Potential - *Phase 0: influx of Na+ (depolarization - conduction velocity) *Phase 1: transient efflux of K+ (how quickly the cell can be depolarized again) *Phase 2: influx of Ca 2+ & Na+ (") *Phase 3: efflux of K+...

IBHRE PREP Exam With 100% Correct Answers 2023

which lead insulation material is known for reducing fibroblast in-growth correct answer: ePTFE which lead insulation is succeptible to MIO and ESC correct answer: 80A Polyurethane what is ESC correct answer: cracks or crazing that occurs in polyurethane in response to certain chemicals and external stresses what is MIO correct answer: a polyurethne degradation where moisture and metal ions act as a catalyst to accelerate degradation what lead insulation material improves the eas...