Acronyms/Scores

Question 1

Wells Criteria

Answer 1

For PE
less than 2=poor probability 2-6=moderate greater than 6=high
Symptoms of DVT=3
Alternative diagnosis less likely than PE=3
HR >100=1.5
Immobilization >3 days/surgery within a month=1.5
Prior PE or DVT=1.5
Hemoptysis=1.0
Presence of malignancy=1.0

Question 2

CHADS2

Answer 2

CHF
Hypertension
Age greater than 75
Diabetes
Stroke x2 

0=no antiocagulation (lone a. fib-first occurrence, under the age of 60, no cardiovascular risks)
2=anticoagulation

Question 3

Ranson Criteria

Answer 3

For severity of acute pancreatitis
Greater than 3=significant mortality

Initial=
Greater than 55 y.o.
WBC greater than 16,000
serum glucose greater than 200
Serum lactate dehydrogenase greater than 350
AST greater than 250

48 hours after admission
hemotocrit drop greater than 10 points
BUN rise greater than 5 after IV hydration
Arterial PO2 less than 60
Serum calcium less than 8
base deficit greater than 4
estimated fluid sequestation of greater than 6 L

Question 4

TIMI risk score

Answer 4

Age >65
More than 3 risk factors for CAD
Known CAD (stenosis >50%)
At least two episodes of severe angina in past 24 hrs
Aspirin use in past 7 days
Elevated serum cardiac enzymes
ST changes >.5 mm

Question 5

Lights criteria for exudate

Answer 5

Pleural fluid protein/serum protein >.5
Pleural fluid LDH/Serum LDH >.6
Pleural fluid LDH >2/3 of upper limit of normal for serum LDH

pH of exudate=7.3-7.45
pH of transudate=7.4-7.55

Question 6

RIFLE Criteria

Answer 6

for AKI
Risk: 1.5 fold increase in serum creatinine or GFR by 25% or urine output less than .5 ml/kg/our for 6 hours

Injury: 2 fold increase in serum creatinine or GFR by 50% or urine output less than .5 mL/kg/hour for 12 hours

Failure: threefold increase in serum creatinine or GFR decraese by 75% or urine output less than .5 mL/kg/hour for 24 hours

Loss: complete loss of kidney function for more than 4 weeks (requires dialysis)

ESRD: complete loss of kidney function for more than 3 months (requires dialysis)