17 results
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Urea breath test ... at UCSF due to cost ... first line test ... #Laboratory #Diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
more time for the laboratory ... (to support a diagnosis ... ANA and RF (if clinical ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
is a clinical test ... used to diagnose ... injury of the anterior ... #PhysicalExam #Clinical ... #Positive #Video
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... cases in which injury ... - Serum tests that ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
assess for ACL Injury ... is a clinical test ... used to diagnose ... injury of the anterior ... #Normal #Video
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... very sensitive diagnostic ... afferent pathway injury ... Defect #Neurology #Clinical ... #Video #Pupils
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... parenchyma Diagnosis ... Bronchoscopy Laboratory ... Sweat chloride test ... #differential #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... to local skin injury ... pathognomonic laboratory ... syndrome (Clinical ... ) Differential Diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... confounding and inability ... diseases, describe clinical ... probability of getting ... #calculations #diagnosis
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
Posterolateral Drawer Test ... is difficult to diagnose ... This video shows ... Positive #Clinical ... #Video #PhysicalExam