36 results
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman test ... That causes the ... #Lachmans #test ... #ACL #Knee #Injury ... PhysicalExam #Sports #Ortho
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
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... • Additional laboratory ... tests may be needed ... disease with serology ... Gastrointestinal #Evaluation #workup
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 ... more time for the laboratory ... (to support a diagnosis ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... tests - Ice cube ... test, TempTest ... test Cryoglobulins ... doi: 10.1111/all
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... Renal ultrasound, Tests ... of renal disease ... #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
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... K), H. pylori test ... thyroid function test ... #Causes #Workup
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... If 100%, then all ... negative tests ... If 100%, then all ... #calculations #diagnosis