49 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... with a central cause ... a stand-alone test ... #Diagnosis #PhysicalExam
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Risks factor for HIV ... peripheral blood smear, HIV ... K), H. pylori test ... thyroid function test ... #Workup #hematology
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
the knees and hips ... Passive neck flexion causes ... While the pathophysiology ... for the hip/knee ... Clinical #Video #PhysicalExam
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
elevation • Nausea ... decrease (<200 cells ... 14%), in which case ... the first test to ... -1 antibody test
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • CMV • HIV ... Reed-Sternberg Cells ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP ... Joint Test on Physical ... joint capsule cause ... BunnelLittler #Test ... #PhysicalExam #
Heparin Induced Thrombocytopenia (HIT) - Diagnosis and Management - GrepMed Handbook

Presentation: 
 • Plts ↓50% (nadir
Thrombocytopenia (HIT ... ♀, ↑Age, ESRD Pathophysiology ... approach for post-test ... : Confirmatory test ... Management #Treatment #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Macrocytosis, Target Cells ... Liver Function Tests ... Liver Function Tests ... #Hematology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... macrophages and T cells ... Active TB: • HIV ... Langerhans giant cells ... Tuberculin skin test
Piriformis Test

The Piriformis test evaluates for pain from sciatic nerve irritation caused by the piriformis muscle.
With
Piriformis Test ... The Piriformis test ... nerve irritation caused ... degrees and the hips ... #Hip #PhysicalExam