198 results
Heparin Induced Thrombocytopenia (HIT) - 4T Score

The 4T score is useful to establish pre-test probability of
The 4T score ... establish pre-test probability ... 3 points: Low probability ... : Intermediate probability ... Diagnosis #HIT #4TScore
Bayesian combination of 4T score with Heparin PF4 antibody titer to obtain the post-test probability of
combination of 4T score ... the post-test probability ... @PulmCrit #4TScore
4T Score for Heparin-Induced Thrombocytopenia

Interpretation of the 4T score:
0-3 points:  Low probability (<<1%)
  -
4T Score for Heparin-Induced ... 3 points: Low probability ... Intermediate probability ... points: High probability ... non-heparin agent #4TScore
4-T Score for the Likelihood of Heparin Induced Thrombocytopenia
 - Thrombocytopenia - Compare the highest platelet
count
4-T Score for the ... 3 points: Low probability ... : Intermediate probability ... 8 points: High probability ... HIT ~68%) #4TScore
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
Likelihood Ratios - Probability ... increases the probability ... increases the probability ... of 10 increases probability ... decreases the probability
The H2FPEF score and point allocations
for each clinical characteristic (top), with
associated probability of having heart failure
with
The H2FPEF score ... with associated probability ... on the total score ... H2FPEF #HFPEF #Score
Approach to suspected Heparin-Induced Thrombocytopenia (HIT)

 • Suspected HIT Algorithm
 • "4 T's" clinical probability score:
T's" clinical probability ... score: - Thrombocytopenia
Draw a connecting your pre-test probability and your likelihood ratio. This provides you with your post-test
your pre-test probability ... your post-test probability
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Indication → Pre-test Probability ... Step 2: Pre-test Probability ... Develop a pre-test probability ... final post-test probability
Since these risk factors are numerous and have different effects on the malignancy risk, it is
concerning the probability ... Pulmonary #Fleischner #Probability