20 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #HeadImpulse #Testing
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... should be based ... antiretroviral therapy should ... of serum CrAg testing ... comparable to CSF testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... Risks factor for HIV ... /HCV testing - ... K), H. pylori test ... (CVID, WAS), (neurologic
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody Testing ... body-like: - Neurologic ... Rods/rings: - HCV ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
Diagnosis: Quantitative ... PCR and CMV pp65 ... antigenemia test ... 50 or less: • Neurologic ... #differential #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
should be obtained ... • Hepatitis B serology ... : HIV test, a rubella ... (to support a diagnosis ... laboratory #workup #diagnosis
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal ... require Cosyntropin testing ... administering cosyntropin (IV ... cortisol level should ... Step 3) Differentiate
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... Mycoplasma, EBV, HIV ... younger pts) Differential ... Test: Donath-Landsteiner ... test #cold #
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
Ag, Urea Breath Testing ... hold 2w before testing ... (IgG) - cannot differentiate ... flagyl 500mg TID if PCN-allergy ... Ag, Urea Breath Test
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... The evaluation should ... include a: • Neurologic ... zoster virus ○ HIV