20 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Young females Differential ... Diagnosis: • CN ... #Pupil #PhysicalExam ... #neurology #ophthalmology
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
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Syphilis should ... typically warrants retesting ... clinical #video #ophthalmology ... #physicalexam # ... neurology
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
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 #
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