39 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... decreased PLT count: CBC ... peripheral blood smear, HIV ... pylori test (GI symptoms ... #Differential #Diagnosis
Pneumocystis jirovecii Pneumonia 
Clinical 
 • Caused by Pneumocystis jirovecii (formerly carinil) 
 • Immunocompromised host
Clinical • Caused ... ) • Seen in HIV ... patients with CD4 ... < 200 • Symptoms ... PJP #Pneumonia #Diagnosis
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
elevation • Nausea ... 14%), in which case ... Viral hepatitis Diagnosis ... acquisition in which no diagnostic ... #diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... present in 15% of cases ... Demyelinating disease caused ... #differential #diagnosis
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... - Differential Diagnosis ... Algorithm Reactive ... • CMV • HIV ... #Algorithm #Causes
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential Diagnosis ... Algorithm Always ... age >50, <18, IV ... #Algorithm #Causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
- Differential Diagnosis ... Algorithm Lids ... Corneal Ulcer • HSV ... #Algorithm #Causes ... #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • Neurologic symptoms ... Cranial Nerve IV ... #Algorithm #Causes ... #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
regardless of symptoms ... Diagnosis: Quantitative ... and CD4 50 or less ... Retinitis (Most common cause ... #AIDS #diagnosis