IBHRE PREP Questions and Correct Answers the Latest Update

PVARP....after a _____ event, refractory for the ______ ventricle, atrium what is most likely the cause of the under detection of atrial flutter? p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? DAVID and MOST when are the wedensky effects the greatest at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what class of indication for pacing Class IIa Calculation of the wenkbach interval MTR-TARP #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update What did the ADEPT study show rate modulation was ineffective in improving the QoL for patients with a brady indication Lead perf percentages in ICD placements 0.6-5% Class IA drugs that increase pacing thresholds (3) quinidine, dysopyramid, procainamid class IC drugs that increase pacing thresholds flecanide, propaferone class 3 drugs that increase pacing thresholds (3) propaferone, amio, sotalol Osborn or J waves indicate what three things hypothermia, hypercalcemia, brugada syndrome Sign of WPW syndrome within the QRS delta wave in the PR interval #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update lead type with the highest rate of perforation atrial active fix leads MADIT study icd vs drug therapy. icd reduced mortality by 54% MADITII study icd VS. no ICD. no need for prior arrythmias. No EP study needed. ICD decreased mortality by 31% SCDHEFT study ICD decreased mortality in both ICM (21%) and NICM (27), amio had little to no effect on mortality PMOP algorithm helps reduce reoccurring atrial tach episodes from reoccurring shortly after previous episode has ended rheobase is measured in _____ while chronaxie is measured in _____ voltage, ms charge is measured in _______. the formula is ______ #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update microcoloumbs, I(current) x T (pulse duration) constant current = ____ load and ____ impedance small, low constant voltage= ____ load and ____ impedence large, high Which is better polyurethane 80A or 55D? 55D what programming change can you make to help combat PPM syndrome lower the rate to decrease the RV pacing Clinical manifestations of brugada (2) ST elevation in V1-V3, RbBB Drugs that increase DFT (4) lidocaine, quinidine, flecanide, dyapherihydation underlying reasons for Torsades (4) hypomagnesia, hypokalemia, hypoxia, acidosis #Examify | #OnlineExams | #TestPrep | #StudyResources | #AcademicSuccess | #ExamPreparation | #QuizTime | #LearningTools | #Education | #StudentSupport Examify | Smart Grades | Latest update most common inherited long QT syndrome Romano ward upper limit vulnerability weakest shock strength where VF not induced capacitance is measured in ____ and is the _______ farads, charge/voltage, measurement of amount of electrical charge stored for given electrical current smaller capacitor = _______ voltage required to deliver an equal charge to the tissue greater primary endpoint of companion study risk reduction of CRTD was 36% mortality in ICD group main type of acute infection staph aureous main type of chronic infectio