13 results
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Characteristics Sensitivity ... , Specificity and ... Cholecystitis #Testing ... Characteristics #Table ... #Sensitivity #Specificity
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... value of 0.0115, sensitivity ... for correct classification ... ) was 0.80 and specificity ... Thus, further testing
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and specificity ... and specificity ... Celiac #Disease #Testing ... Tests #Diagnosis #Workup ... #Table
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Bowel Obstruction Testing ... Diagnosis #SBO #Testing ... #Accuracy #Sensitivity ... #Specificity #KUB ... LikelihoodRatio #Comparison #Table
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
reasonable-appearing sensitivity ... or specificity ... or sensitivity ... Statistics #Test #Classification ... #Specificity #Graph
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
boundaries to work ... relationship between sensitivity ... /specificity and ... #Specificity #LikelihoodRatios ... #Relationship #Graph
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... have almost 100% specificity ... for AI (but low sensitivity ... require Cosyntropin testing ... Insufficiency #Algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
, 94% specificity ... , 87% specificity ... , 91% specificity ... Tests #comparison #table ... gastroenterology #CRC #Testing
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
, 94% specificity ... , 87% specificity ... , 91% specificity ... Tests #comparison #table ... gastroenterology #CRC #Testing