53 results
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
Causes of False-Positive ... TST Results #Diagnosis ... SkinTest #TSTs #IGRA #FalseNegatives ... #FalsePositives ... #Causes
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... many possible causes ... In most cases, it ... diarrhea before testing ... Chronic #Diarrhea #Algorithm
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Causes of Inaccurate ... #OccultBlood #Testing ... #Laboratory #FalsePositive ... #FalseNegative ... #Diagnosis #Differential
Clinical Presentation and Diagnosis of Common Causes of Vaginitis

#Vaginitis #Differential #Diagnosis #Comparison #Table #Testing #Gynecology #OBGyn
Presentation and Diagnosis ... of Common Causes ... #Differential #Diagnosis ... #Comparison #Table ... #Testing #Gynecology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Deep coma (any cause ... Hyperreflexia #Testing ... #diagnosis #table
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... Laboratory #Toxicology #Diagnosis ... #FalsePositive ... #Testing
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... Algorithm Persistent ... present on repeat testing ... including overnight testing ... #Algorithm #Causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Algorithm INDICATIONS ... for secondary causes ... eosinophilia (common causes ... Eosinophil #Disorders #Algorithm ... #Differential #diagnosis
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
- Differential Diagnosis ... Algorithm Elevated ... • Weight Loss, Eating ... #Differential #Diagnosis ... #causes
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... Algorithm • Confirm ... mimics, repeat testing ... Nephrology if cause ... #Algorithm #Workup