CORRECT ANSWERS
Where bare bBeta b1 breceptors bfound? b- bcorrect banswers✔✔Heart band bKidneys
Stimulation bof bBeta b1 breceptors bresult bin ban bincrease bof bwhat? b- bcorrect
banswers✔✔Heart: bInotropy, bChronotropy, bDromotropy
Kidneys: bRenin-Angiotensin-Aldosterone bSystem b= bVasoconstriction b= bIncrease
bblood bpressure
Which bnode bis blocated bat bthe bjunction bof bthe bsuperior bvena bcava band bthe bright
batrium, bis btypically bsupplied bby bthe bRight bCoronary bartery, band bfires bat ba brate bof
b60-100 bbpm. b- bcorrect banswers✔✔SA bNode
Atrial bdepolarization bcharacterized bby bsmooth, bround, bupright bdeflection bless bthan
b0.11 bsecs blong band bless bthan b2.5mm btall bis breferred bto bas bwhat bon bthe bECG? b-
bcorrect banswers✔✔P bwave
Carvedilol b(Coreg)
Metropolol b(Lopressor) b
Atenolol b(Tenormin) b
Propranolol b(Inderal) b
Bisoprolol b(Zebeta) b
Acebutolol b(Sectral) b
Comolol b(Brevibloc) b- bcorrect banswers✔✔Beta bBlockers b- bused bfor bblood bpressure
band bcardiac bproblems
Epinephrine b
Norepinephrine b
Vasopressin b
Dopamine b
Phenylephrine b
Dobutamine b- bcorrect banswers✔✔Vasopressors
The bmiddle bof bphase b3 bto bbeginning bof bphase b4 bin bthe bcardiac bcycle bwhere
bcardiac bcells bare bpartially brefractory band bpartially brepolarized band bcertain bcells
,bcan bbe bdepolarized bin bresponse bto belectrical bstimulus. b- bcorrect
banswers✔✔Relative bRefractory bPeriod b
(Partial bflush bof bthe btoilet)
Treatment bfor bBeta bBlocker bOverdose b- bcorrect banswers✔✔Glucagon: b1-5mg bIV/IO
b(1st bLine bDrug)
Calcium bChloride: b500mg b- b1g bIV/IO
Swelling bof baffected blimb, bpain band btenderness, binflammation/redness, bwarm bto
btouch bon baffected blimb, bpain bon bdorsiflexion b(Homan bSign) bare ball bsigns bof? b-
bcorrect banswers✔✔DVT
Treatment bof bDVT b- bcorrect banswers✔✔Supportive bCare, bPosition bof bComfort,
bEstablish bIV, bCardiac bMonitor, bPulse bOx, bO2, bMonitor bvitals bfor bembolism. b
Do bnot bmassage baffected blimb.
The bpressure bgradient bthat bdrives bcoronary bblood bpressure. b
The bdifference bbetween baortic bdiastolic bpressure band bleft bventricular bend bdiastolic
bpressure bthat bperfuses bthe bcoronary barteries. b- bcorrect banswers✔✔Coronary
bPerfusion
Tachycardia, bDifficulty bBreathing, bDiminished bLung bSound, bPulse bQuality bChanges,
band bunequal bchest brise bare bearly bsigns band bsymptoms bof? b- bcorrect
banswers✔✔Tension bPneumothorax b
Air bis bentering bthe bpleural bspace bbut bcannot bescape. bPositive bpressure bventilation
bcan bmake bit bworse.
Criteria bfor bUnstable bDysrhythmia b- bcorrect banswers✔✔Ischemic bChest bPain
ALOC b
Hypotension/Hypovolemia b
Signs bof bShock b
Acute bHeart bFailure
Restriction bof bof bcardiac bcontraction, bfalling bcardiac boutput, band bshock bas ba bresult
bof bpericardial bfluid baccumulation bare bcharacteristics bof? b- bcorrect
banswers✔✔Cardiac bTamponade
Hypotension, bSOB, bLightheadedness, bChest bPain, bSyncope, bPalpitations, bExtremity
bSwelling, band bMuffled bheart bsounds bare bsigns band bsymptoms bof? b- bcorrect
banswers✔✔Cardiac bTamponade
,Indications bfor bDopamine b- bcorrect banswers✔✔Cardiogenic bShock b
Distributive bShock bafter bfluids b
Hemodynamically bsignificant bHypotension
Symptomatic bBrady b(2nd bLine bdrug)
AHA bGuidlines bfor bTerminating bCPR befforts bin bfield(4) b- bcorrect banswers✔✔Arrest
bwas bnot bwitnessed b
No bbystander bCPR bwas badministered b
ROSC bwas bnot bachieved bafter bcomplete b
ALS bcare bin bthe bfield
No bshocks bwere badministered
Time bframe bthat bstarts bat bthe bpatient bcontact bby bEMS band bends bwith bdefinitive
btherapy bof bcatheter bpassing bthrough blesion bof bcoronary bvessel. b- bcorrect
banswers✔✔EMS-to-Balloon-Time
Time bfrom bpatient bentering bED bto bcatheter bpassing bthrough blesion bof bcoronary
bvessel. b- bcorrect banswers✔✔Door-to-balloon-time
Time bfrom bpatient bentering bED bto bfibrinolytic btherapy badministration. b- bcorrect
banswers✔✔Door-to-needle-time
Time bframe bfor bdoor-to-balloon b- bcorrect banswers✔✔<90mins
Time bframe bfor bdoor-to-needle b- bcorrect banswers✔✔<30mins
Principle bsymptom bof bCoronary bArtery bDisease bor bAcute bCoronary bSyndrome bthat
boccurs bwhen bsupply bof bO2 bis bto bthe bmyocardium bis binsufficient bto bmeet bdemand
band bcells bbecome bischemic? b- bcorrect banswers✔✔Angina bPectoris
Chest bpain bthat boccurs bat brest band bis bcaused bby bcoronary bartery bvasospasm?
bRisk bfor bDysrhythmia, bMI, bHeart bBlock band bDeath b- bcorrect
banswers✔✔Prinzmetal bAngina b(PA)
Which belectrolyte bflows binto bcardiac bcells bto binitiate bdepolarization? b- bcorrect
banswers✔✔Sodium b(Na+)
Which belectrolyte bflows bout bof bcardiac bcells bto bto binitiate brepolarization? b- bcorrect
banswers✔✔Potassium b(K+)
Which belectrolyte bplays ba bmajor brole bin bdepolarization bof bpacemaker bcells bto
bmaintain bdepolarization band bmyocardial bcontractility? b- bcorrect banswers✔✔Calcium
b(Ca++)
, Which belectrolyte bstabilizes bcell bmembrane band bacts bin bconcert bwith bK+ band
bopposes bactions bof bCa++? b- bcorrect banswers✔✔Magnesium b(Mg++)
Hypokalemia bresults bin? b- bcorrect banswers✔✔increased bmyocardial birritability
Hyperkalemia bresults bin? b- bcorrect banswers✔✔decreased bautomaticity/conduction
Hypocalcemia bresults bin? b- bcorrect banswers✔✔decreased bcontractility band
bincreased birritability
Hypercalcemia bresults bin? b- bcorrect banswers✔✔Increased bcontractility
Hypomagnesemia bresults bin? b- bcorrect banswers✔✔decreased bconduction
Hypermagnesemia bresults bin? b- bcorrect banswers✔✔increased bmyocardial birritability
Four bproperties bof bthe bCardiac bConduction bSystem b- bcorrect
banswers✔✔Excitability b- bcells brespond bto belectrical bimpulse
Conductivity b- bcells bpass bimpulse bto bone banother b
Automaticity b- bhearts bability bto bgenerate bits bown belectrical bimpulse b
Contractility b- bhearts bability bto bcontract bwhen bstimulated
Affects bof bRCA bocclusion bin bterms bof bthe bSA bnode bischemia? b- bcorrect
banswers✔✔SA bnode bbecomes bischemic b= bslower bfiring brate b(<60-100) bor bcease
bfire bcompletely bcausing banother bautomaticity bfoci bto btake bover bsuch bas bAV b(40-
60) bor bPurkinje b(20-40).
Which belectrolytes bare bresponsible bfor bdepolarization? b- bcorrect banswers✔✔Sodium
band bCalcium binflux
Which belectrolyte bis bresponsible bfor brepolarization? b- bcorrect banswers✔✔Potassium
boutflow
Indications bfor bCPAP b(5) b- bcorrect banswers✔✔Alert band bable bto bfollow bcommands
b
Moderate bto bSevere bRespiratory bDistress b
Hyperventilation b
SpO2 b<90%
Systolic b>90mmHg
Contraindications bfor bCPAP b(8) b- bcorrect banswers✔✔Respiratory bArrest b
Hypoventilation b
ALOC