368 results
4T Score for Heparin-Induced Thrombocytopenia

Interpretation of the 4T score:
0-3 points:  Low probability (<<1%)
  -
3 points: Low probability ... Intermediate probability ... points: High probability ... Thrombocytopenia #Diagnosis #Criteria
The algorithm below shows how pre-test probability could be combined with various criteria to determine which
shows how pre-test probability ... combined with various criteria ... ~1.5% pre-test probability ... negative Reller Criteria ... negative Bouza Criteria
The pulmonary embolism rule-out criteria (PERC) was created to reduce testing in patients who have a
embolism rule-out criteria ... have a very low probability ... IM #PERC #Rule #Criteria
Who to test for BRCA 1/2?
Female Breast Cancer:
 • ≤ 45-50 years at diagnosis
 • Triple
relative meeting criteria ... with BRCA 1/2 • Probability
Diagnosis of Osteoporosis in Postmenopausal Women
1. T-score -2.5 or below in the lumbar spine, femoral neck,
FRAX) fracture probability ... endocrinology #criteria
Definitions and illustrations of criteria used to categorize cardiac sarcoidosis (CS) likelihood based on cardiac magnetic
illustrations of criteria ... PETomography #Likelihood #Probability
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
Heparin Induced Thrombocytopenia (HIT) - 4T Score

The 4T score is useful to establish pre-test probability of
establish pre-test probability ... 3 points: Low probability ... : Intermediate probability ... 8 points: High probability
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