x
LATEST Questions And Answers On
NAVLE
ACTHxandxLDDSxsensitivity/specificityx-xCORRECTxxANSWER-
ACTHxStimulation.xThextwoxdiagnosticxscreeningxtestsxusedxmostxforxdiagnosisxofxhyperad
renocorticismxarexthexACTHxstimulationxtestxandxthexLDDS.xRememberxyourxPsxandxNs.
ACTHxStimxisxthexmostxsPecificx(fewerxfalsexPos,xsoxtrustxaxPOSxtestxmore).
Clickxherexforxaxdiagram
LDDSxisxmorexseNsitivex(fewerxfalsexNegs,xsoxtrustxNEGxtestxmore).
aldosteronex-xCORRECTxxANSWER-
Aldosterone,xthexmineralocorticoidxproducedxinxthexadrenalxcortex,xactsxonxthexdistalxconv
olutedxtubulesx(andxcollectingxducts)xofxthexnephronxtoxretainxNa+xandxwater,xsecretexK+xa
ndxincreasexbloodxpressure.xClinically,xlookxforxincreasedxaldosteronexsecretionx(increase
dxbloodxpressure)xwithxCHF.
anionxgapx-xCORRECTxxANSWER-Anionxgap=x(Positives)-(Negatives)x=x(Na+xandxK+)x-
(Cl-xandxHCO3-).
Typicallyxseexincreasedxanionxgapxwith:
Diabeticxketoacidosis
Renalxinsufficiency
Ethylenexglycolxtoxicity
Lacticxacidosisxfromxgrainxoverloadxorxstrenuousxexercise
bonexdzx-xCORRECTxxANSWER-Thexhallmarkxofxpanosteitisxisxanxacute-
onsetxshiftingxlegxlamenessxwithxlongxbonexpainxinxaxyoungx(5xmos-
2xyears),xmediumxtoxlargexbreedxdog.
GermanxShepherdsxarexreportedxtoxbexatxhighestxriskxofxpanosteitis.xBassetxhoundsxmayxb
exover-represented.
Hypertrophicxosteodystrophyx(HOD)xisxcharacterizedxbyxbilateralxmetaphysealxpain,xswelli
ngxinxdistalxradiusxandxulna,xfever,xanorexiaxandxdepression.xTypicallyxaxdiseasexofxyoung,x
growingxlargexandxgiantxbreedxdogs.
Hypertrophicxosteopathyx(HO)xisxaxdiffusexperiostealxproliferativexdiseasexofxlongxbonesxinx
dogsxSECONDARYxtoxneoplasticxorxinfectiousxmassesxinxthexthoracicxorxabdominalxcavity.
, Multiplexcartilaginousxexostosesxisxcharacterizedxbyxnon-
painfulxossifiedxswellingsxonxmetaphysealxcorticalxsurfacesxofxlongxbones,xvertebrae,xandxr
ibsxinxyoungxdogsxandxcats.xAnimalsxmayxhavexnoxsignsxatxall.xDiagnosisxisxconfirmedxbyxp
alpationxandxradiography.xClickxherextoxseexaxradiographxofxcartilaginousxexostoses
Retainedxulnarxcartilagexcoresxarexcharacterizedxbyxlamenessxandxeventually,xangularxlim
bxdeformityxinxyoung,xlargexbreedxdogs.
BovinexPalpationx-xCORRECTxxANSWER-
Anxexperiencedxpractitionerxcanxreliablyxfeelxplacentomesxaroundx70-
75xdays.xYouxcanxreliablyxfeelxthex"membranexslip"xofxchorioallantoicxmembranesxrectallyxa
tx30-
35xdaysxandxfremitusx(vibrationxinxuterinexarteryxofxthexgravidxuterinexhorn)xbetweenx90-
120xdays.;
OnexwayxtoxrememberxthesexisxthatxthexEARLIESTxoccursxinxREVERSExalphabeticalxorde
rxie:
Slipx30-35xdays
Placentomesx70-75xdays
Fremitusx90-120xdays
classesxofxHWxdzx-xCORRECTxxANSWER-
ThisxisxthexclinicalxpicturexofxclassxIIxheartwormxdiseasex(ie:xmoderatexdisease).xInxaxnutsh
ell,xClassxIxisxmildxandxclassxIIIxisxsevere.xClassxIVxisxanxacutexshock-likexsyndrome.
FIVx-xCORRECTxxANSWER-toxoplasmosis
FIVxandxvaccinationsx-xCORRECTxxANSWER-
RememberxthatxcatsxvaccinatedxforxFIVxwillxtestxpositivexforxFIVxantibodiesxbyxFIVxELISAxa
ndxWesternxblot.
ThisxisxDIFFERENTxfromxfelinexleukemiaxvirusx(FeLV)xtestingxbecausexthexFeLVxELISAxan
dxIFAxtestsxmeasurexANTIGEN,xnotxantibody,xsoxFeLVxvaccinationxdoesxNOTxinterferexwit
hxtesting.
HeartxFailurex-xCORRECTxxANSWER-
Ascites,xdistendedxjugularsxsuggestsxRIGHTxcongestivexheartxfailurex(CHF),xmorexthanxlef
txCHFx(pulmonaryxedema,xcrackles,xwheezes,xcough).
pericardialxeffusionx=xballoonxheartxonxrads
heartxsoundsx-xCORRECTxxANSWER-Thexfirstxheartxsoundx(S1-thex"lub"xinx"lub-
dub")xisxcausedxbyxclosurexofxthexatrioventricularxvalvesx(AVxvalves,xmitralxandxtricuspid).
Thexsecondxsoundx(S2)xisxthexclosurexofxthexaorticxandxpulmonicxvalvesx(semilunarxvalves)
.
LATEST Questions And Answers On
NAVLE
ACTHxandxLDDSxsensitivity/specificityx-xCORRECTxxANSWER-
ACTHxStimulation.xThextwoxdiagnosticxscreeningxtestsxusedxmostxforxdiagnosisxofxhyperad
renocorticismxarexthexACTHxstimulationxtestxandxthexLDDS.xRememberxyourxPsxandxNs.
ACTHxStimxisxthexmostxsPecificx(fewerxfalsexPos,xsoxtrustxaxPOSxtestxmore).
Clickxherexforxaxdiagram
LDDSxisxmorexseNsitivex(fewerxfalsexNegs,xsoxtrustxNEGxtestxmore).
aldosteronex-xCORRECTxxANSWER-
Aldosterone,xthexmineralocorticoidxproducedxinxthexadrenalxcortex,xactsxonxthexdistalxconv
olutedxtubulesx(andxcollectingxducts)xofxthexnephronxtoxretainxNa+xandxwater,xsecretexK+xa
ndxincreasexbloodxpressure.xClinically,xlookxforxincreasedxaldosteronexsecretionx(increase
dxbloodxpressure)xwithxCHF.
anionxgapx-xCORRECTxxANSWER-Anionxgap=x(Positives)-(Negatives)x=x(Na+xandxK+)x-
(Cl-xandxHCO3-).
Typicallyxseexincreasedxanionxgapxwith:
Diabeticxketoacidosis
Renalxinsufficiency
Ethylenexglycolxtoxicity
Lacticxacidosisxfromxgrainxoverloadxorxstrenuousxexercise
bonexdzx-xCORRECTxxANSWER-Thexhallmarkxofxpanosteitisxisxanxacute-
onsetxshiftingxlegxlamenessxwithxlongxbonexpainxinxaxyoungx(5xmos-
2xyears),xmediumxtoxlargexbreedxdog.
GermanxShepherdsxarexreportedxtoxbexatxhighestxriskxofxpanosteitis.xBassetxhoundsxmayxb
exover-represented.
Hypertrophicxosteodystrophyx(HOD)xisxcharacterizedxbyxbilateralxmetaphysealxpain,xswelli
ngxinxdistalxradiusxandxulna,xfever,xanorexiaxandxdepression.xTypicallyxaxdiseasexofxyoung,x
growingxlargexandxgiantxbreedxdogs.
Hypertrophicxosteopathyx(HO)xisxaxdiffusexperiostealxproliferativexdiseasexofxlongxbonesxinx
dogsxSECONDARYxtoxneoplasticxorxinfectiousxmassesxinxthexthoracicxorxabdominalxcavity.
, Multiplexcartilaginousxexostosesxisxcharacterizedxbyxnon-
painfulxossifiedxswellingsxonxmetaphysealxcorticalxsurfacesxofxlongxbones,xvertebrae,xandxr
ibsxinxyoungxdogsxandxcats.xAnimalsxmayxhavexnoxsignsxatxall.xDiagnosisxisxconfirmedxbyxp
alpationxandxradiography.xClickxherextoxseexaxradiographxofxcartilaginousxexostoses
Retainedxulnarxcartilagexcoresxarexcharacterizedxbyxlamenessxandxeventually,xangularxlim
bxdeformityxinxyoung,xlargexbreedxdogs.
BovinexPalpationx-xCORRECTxxANSWER-
Anxexperiencedxpractitionerxcanxreliablyxfeelxplacentomesxaroundx70-
75xdays.xYouxcanxreliablyxfeelxthex"membranexslip"xofxchorioallantoicxmembranesxrectallyxa
tx30-
35xdaysxandxfremitusx(vibrationxinxuterinexarteryxofxthexgravidxuterinexhorn)xbetweenx90-
120xdays.;
OnexwayxtoxrememberxthesexisxthatxthexEARLIESTxoccursxinxREVERSExalphabeticalxorde
rxie:
Slipx30-35xdays
Placentomesx70-75xdays
Fremitusx90-120xdays
classesxofxHWxdzx-xCORRECTxxANSWER-
ThisxisxthexclinicalxpicturexofxclassxIIxheartwormxdiseasex(ie:xmoderatexdisease).xInxaxnutsh
ell,xClassxIxisxmildxandxclassxIIIxisxsevere.xClassxIVxisxanxacutexshock-likexsyndrome.
FIVx-xCORRECTxxANSWER-toxoplasmosis
FIVxandxvaccinationsx-xCORRECTxxANSWER-
RememberxthatxcatsxvaccinatedxforxFIVxwillxtestxpositivexforxFIVxantibodiesxbyxFIVxELISAxa
ndxWesternxblot.
ThisxisxDIFFERENTxfromxfelinexleukemiaxvirusx(FeLV)xtestingxbecausexthexFeLVxELISAxan
dxIFAxtestsxmeasurexANTIGEN,xnotxantibody,xsoxFeLVxvaccinationxdoesxNOTxinterferexwit
hxtesting.
HeartxFailurex-xCORRECTxxANSWER-
Ascites,xdistendedxjugularsxsuggestsxRIGHTxcongestivexheartxfailurex(CHF),xmorexthanxlef
txCHFx(pulmonaryxedema,xcrackles,xwheezes,xcough).
pericardialxeffusionx=xballoonxheartxonxrads
heartxsoundsx-xCORRECTxxANSWER-Thexfirstxheartxsoundx(S1-thex"lub"xinx"lub-
dub")xisxcausedxbyxclosurexofxthexatrioventricularxvalvesx(AVxvalves,xmitralxandxtricuspid).
Thexsecondxsoundx(S2)xisxthexclosurexofxthexaorticxandxpulmonicxvalvesx(semilunarxvalves)
.