PAEAEORSurgeryPREOPERATIVE
POSTOPERATIVECAREEXAMWITH
CORRECTANSWERS
WheredomostDVTsoriginate?
MostimportantconsequencetokeepinmindofDVT?
RFsofDVT(virchowstriad)?
DiagnosisofDVT?Firstline?
ManagementofDVT?
RFsofVenousThromboembolism andRecommendedDurationofTherapy?
WellsCriteriaforDVT?
Respiratory Acidosis:
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.30,highPCO260,NormalBicarb22
LungsfailtoexcreteCO2(Breathingtooslow(holdingontoCO2),pulmonarydisease,neuromuscular
disease, drug-inducedhypoventilation-opiates,barbiturates)
Respiratory Alkalosis:
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.52,lowPCO225,NormalBicarb22
,ExcessiveeliminationofCO2(Breathingtoofast(blowingofCO2),pulmonaryembolism, fever,
hyperthyroid, anxiety,salicylate intoxication,septicemia)
MetabolicAcidosis
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.30,NormalPCO240,LowBicarb16
Lowaniongap(<16):Lossofbicarbonate(thinkdiarrhea,pancreatic orbiliarydrainage,renaltubular
acidosis)
MetabolicAlkalosis
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.52,NormalPCO240,HighBicarb
Lossofhydrogen(vomiting),bulimia,overdoseofantacids,additionofbicarbonate
(hyperalimentation therapy)
ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.52,PCO225,Bicarb22
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
B.Respiratoryalkalosis
AhighPHmeansthisisalkalosis.NextlookatthePCO2itisnotnormal andislow.Thereforethisisa
RESPIRATORYALKALOSIS.
, ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.52,PCO240,Bicarb38
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
D.Metabolic alkalosis
ThePHishighwhichmeansthisisanalkalosis, thePCO2isnormalsoit'snotrespiratoryandthebicarb
(HCO3)ishighsoyouknowitismetabolic.ThisisMETABOLICALKALOSIS
ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.30,PCO260,Bicarb22
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
A.Respiratoryacidosis
ThePHislowsoyouknowitisacidosisandthePCO2isnotnormal,inthiscaseitishighsoyouknowithas
RESPIRATORYcause.ThisisRespiratoryacidosis.
ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.30,PCO240,Bicarb16
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
C.Metabolic acidosis
ThePHislowsoyouknowitisacidosis.ThePCO2isNormal andtheHCO3islow.ThisisMETABOLIC
ACIDOSIS.
POSTOPERATIVECAREEXAMWITH
CORRECTANSWERS
WheredomostDVTsoriginate?
MostimportantconsequencetokeepinmindofDVT?
RFsofDVT(virchowstriad)?
DiagnosisofDVT?Firstline?
ManagementofDVT?
RFsofVenousThromboembolism andRecommendedDurationofTherapy?
WellsCriteriaforDVT?
Respiratory Acidosis:
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.30,highPCO260,NormalBicarb22
LungsfailtoexcreteCO2(Breathingtooslow(holdingontoCO2),pulmonarydisease,neuromuscular
disease, drug-inducedhypoventilation-opiates,barbiturates)
Respiratory Alkalosis:
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.52,lowPCO225,NormalBicarb22
,ExcessiveeliminationofCO2(Breathingtoofast(blowingofCO2),pulmonaryembolism, fever,
hyperthyroid, anxiety,salicylate intoxication,septicemia)
MetabolicAcidosis
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.30,NormalPCO240,LowBicarb16
Lowaniongap(<16):Lossofbicarbonate(thinkdiarrhea,pancreatic orbiliarydrainage,renaltubular
acidosis)
MetabolicAlkalosis
pH(norm,highorlow)?
PCO2level(norm,highorlow)?
Bicarb(norm,highorlow)?
Patho?Clinical examples?
PH7.52,NormalPCO240,HighBicarb
Lossofhydrogen(vomiting),bulimia,overdoseofantacids,additionofbicarbonate
(hyperalimentation therapy)
ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.52,PCO225,Bicarb22
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
B.Respiratoryalkalosis
AhighPHmeansthisisalkalosis.NextlookatthePCO2itisnotnormal andislow.Thereforethisisa
RESPIRATORYALKALOSIS.
, ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.52,PCO240,Bicarb38
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
D.Metabolic alkalosis
ThePHishighwhichmeansthisisanalkalosis, thePCO2isnormalsoit'snotrespiratoryandthebicarb
(HCO3)ishighsoyouknowitismetabolic.ThisisMETABOLICALKALOSIS
ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.30,PCO260,Bicarb22
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
A.Respiratoryacidosis
ThePHislowsoyouknowitisacidosisandthePCO2isnotnormal,inthiscaseitishighsoyouknowithas
RESPIRATORYcause.ThisisRespiratoryacidosis.
ApatientwiththefollowingABGhaswhattypeofacid-base disorder?ph7.30,PCO240,Bicarb16
PH(7.35-7.45normal)CO2(35-45 normal)HCO3(20-26normal)
A.Respiratoryacidosis
B.Respiratoryalkalosis
C.Metabolic acidosis
D.Metabolic alkalosis
C.Metabolic acidosis
ThePHislowsoyouknowitisacidosis.ThePCO2isNormal andtheHCO3islow.ThisisMETABOLIC
ACIDOSIS.