24 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
, diagnose iron ... • Additional laboratory ... disease with serology ... Non-invasive testing ... Gastrointestinal #Evaluation #workup
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... Disease Tissue ... #Testing #Laboratory ... #Tests #Diagnosis ... #Workup #Table
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... typically part of the workup ... • Test all patients ... Distal joints, knees ... , wrists, ankles
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... more time for the laboratory ... (to support a diagnosis ... #workup #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
smear, HIV/HCV testing ... K), H. pylori test ... thyroid function test ... changes), high MCV anemia ... #Causes #Workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... and Screening Testing ... Renal ultrasound, Tests ... #Differential #Diagnosis ... #Workup #table
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... endocrinology #workup
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
If 100%, then all ... negative tests ... If 100%, then all ... probability of getting ... #calculations #diagnosis
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
deficiency, ... laboratory ... tests + imaging ... Alzheimer - 1st cause ... - Progressive amnesia ... Dementia - 2nd cause
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... hallmark for the disease ... value is low, tests ... indirect antiglobulin tests ... #Workup #Hematology