68 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... specificity - Falsely negative ... disease) - May be negative ... HLA-DQ8 - High negative ... #Diagnosis #Workup
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... endoscopy only if: • Negative ... change medical management ... Gastrointestinal #Evaluation #workup ... #diagnosis #gastroenterology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
High T4/T3) - Diagnostic ... Check pregnancy test ... workup choices ... AND management options ... #Algorithm #Workup
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Breath test for ... above testing negative ... #Transplant #diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
and Management ... spread of the Gram-negative ... the preferred test ... typically part of the workup ... • Test all patients
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and negative ... a stand-alone test ... #Diagnosis #PhysicalExam
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential Diagnosis ... Diabetes Insipidus Workup ... & desmopressin test ... Hypernatremia #Management
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
swinging light test ... swinging light test ... swinging light test ... #Diagnosis #PhysicalExam ... Swinging #Light #Test
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management ... Direct antiglobulin test ... normal • DAT negative ... #Management #Algorithm
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... very sensitive diagnostic ... test, but not specific ... Pupils #MacrusGunn #PhysicalExam