14 results
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
Test Characteristics ... (Sensitivity, Specificity ... Fasciitis #LRINEC #Testing ... #Accuracy #PhysicalExam ... #Sensitivity #Specifiity
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Sensitivity, Specificity ... Cholecystitis #Testing ... Characteristics #Table ... LikelihoodRatio #Accuracy
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Bowel Obstruction Testing ... Accuracy #Diagnosis ... #SBO #Testing # ... #Specificity #KUB ... LikelihoodRatio #Comparison #Table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... sensitivity and specificity ... sensitivity and specificity ... Celiac #Disease #Testing ... Diagnosis #Workup #Table
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... hypercalcemia rests ... sensitivity for correct classification ... ) was 0.80 and specificity ... Thus, further testing
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Sensitivity and Specificity ... Urea breath test ... BEST first line test ... Laboratory #Diagnosis #Accuracy
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... Step 1) Screening Test ... have almost 100% specificity ... require Cosyntropin testing ... Insufficiency #Algorithm
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Cancer Screening Tests ... Stool/blood-based tests ... Multitarget stool DNA test ... #comparison #table ... gastroenterology #CRC #Testing
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
A lazy man's classification ... essentially the same tests ... cerebral salt wasting ... #Hyponatremia #Algorithm
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
disease who test ... Specificity (rule ... FN) Higher specificity ... probability of getting ... error Validity (“accuracy