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UPDATE x
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A x22-year-old xman xis xhypotensive xand xtachycardic xafter xa xshotgun xwound xto xthe xleft
xshoulder. xHis xblood xpressure xis xinitially x80/40 xmm xHg. xAfter xinitial xfluid xresuscitation
xhis xblood xpressure xincreases xto x122/84 xmm xHg. xHis xheart xrate xis xnow x100 xbeats
xper xminute xand xhis xrespiratory xrate xis x28 xbreaths xper xminute. xA xtube xthoracostomy
xis xperformed xfor xdecreased xleft xchest xbreath xsounds xwith xthe xreturn xof xa xsmall
xamount xof xblood xand xno xair xleak. xAfter xchest xtube xinsertion, xthe xmost xappropriate
xnext xstep xis: x
Select xone: xa.
xreexamine xthe
xchest x
b. x
perform xan xaortogram x
c. x
obtain xa xCT xscan xof xthe xchest
xd. xobtain xarterial xblood xgas
xanalyses x
e. x
perform xtransesophageal xechocardiography x- xA) xReexamine xthe xchest x
x
A xconstruction xworker xfalls xtwo xstories xfrom xa xbuilding xand xsustains xbilateral
xcalcaneal xfractures. xIn xthe xemergency xdepartment, xhe xis xalert, xvital xsigns xare
xnormal, xand xhe xis xcomplaining xof xsevere xpain xin xboth xheels xand xhis xlower xback.
xLower xextremity xpulses xare xstrong xand xthere xis xno xother xdeformity. xThe xsuspected
xdiagnosis xis xmost xlikely xto xbe xconfirmed xby: x
Select xone:
xa. x
angiography x
b. x
compartment xpressures x
c. x
retrograde xurethrogram
xd. x
Doppler xultrasound xstudies
xe. x
complete xspine xx-ray xseries x- xe) xComplete xspine xx-ray xseries x
x
Which xof xthe xfollowing xis xtrue xregarding xthe xinitial xresuscitation xof xa xtrauma xpatient?
x
Select xone:
xa. x
, A xpatient xthat xpresents xwith xa xtorso xgunshot xwound xand xis xhypotensive xshould
xreceive xcrystalloid xfluid xresuscitation xuntil xthe xblood xpressure xis xnormal xb. x
Evidence xof ximproved xperfusion xafter xfluid xresuscitation xcould xinclude ximprovement
xin xGlasgow xcoma xscale xscore xon xreevaluation x
c. x
Massive xtransfusion xis xdefined xas xtransfusion xof xmore xthan x>10 xof xpacked xred
xblood xcells xand xplasma xin x24 xhours xd. x
When xtranexamic xacid xis xadministered xby xpre-hospital xproviders xa xsecond
xdose xis xrequired xwithin x24 xhours xe. x
Fluid xresuscitation xis xfar xmore ximportant xthan xbleeding xcontrol xin xtrauma xpatients x-
xb. x
Evidence xof ximproved xperfusion xafter xfluid xresuscitation xcould xinclude ximprovement
xin xGlasgow xcoma xscale xscore xon xreevaluation x
x
In xmanaging xa xpatient xwith xa xsevere xtraumatic xbrain xinjury, xthe xmost ximportant xinitial
xstep xis xto: x
Select xone:
xa. x
Secure xthe xairway
xb. x
obtain xa xc-spine xfilm xc.
xsupport xthe xcirculation
xd. xcontrol xscalp
xhemorrhage xe. x
determine xthe xGCS xscore
xFeedback x
Your xanswer xis xcorr x- xa. x
Secure xthe xairway x
x
A xpreviously xhealthy, x70-kg x(154-pound) xman xsuffers xan xestimated xacute xblood xloss
xof x2 xliters. x
Which xone xof xthe xfollowing xstatements xapplies xto xthis xpatient? x
Select xone:
xa. x
His xpulse xpressure xwill xbe xwidened.
xb. x
His xurinary xoutput xwill xbe xat xthe xlower xlimits xof
xnormal. xc. x
He xwill xhave xtachycardia, xbut xno xchange xin xhis xsystolic xblood
xpressure. xd. x
An xABG xwould xdemonstrate xa xbase xdeficit xbetween x-6 xand x-10
xmEq/L xe. x
His xsystolic xblood xpressure xwill xbe xmaintained xwith xan xelevated xdiastolic xpressure. x-
xd. xAn xABG xwould xdemonstrate xa xbase xdeficit xbetween x-6 xand x-10 xmEq/L x
x