48 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Penicillium marneffei Parasitic ... Cryptococcal Ag, Urine ... HIVAIDS #workup #diagnosis ... #evaluation #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... salmonella, ...), Parasites
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... disease - Renal ultrasound ... test (with 24-h urine ... #Diagnosis #Causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... Imaging: - MRI ... Demyelinating disease caused ... #differential #
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... 55 percent) - Infections ... syphilis - Parasitic ... #Differential # ... Diagnosis #Clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... Coccidioides • Parasite
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Parasitic infections ... barium, CT, or MR ... algorithm #workup #diagnosis ... #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... Transverse Myelitis - Clinical ... bouts of HTN Diagnostic ... causes need to ... management #neurology #differential
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
immune compromise Clinical ... present or signs of infection ... Pathophysiology: ... KUB or abdominal ultrasound ... present • UA and Urine