52 results
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Long DDx: hypertension ... , diabetes, HIV, ... ophthalmology #Clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
leading into a lung ... • DDx: Septic ... Vessel #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
circumferential GGO • DDx ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
TB: • HIV • Recent ... disease • DM DDX ... are pulmonary • HIV ... TST or IGRA HIV ... : • HIV-infected
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
TB: • HIV • Recent ... disease • DM DDX ... are pulmonary • HIV ... TST or IGRA HIV ... : • HIV-infected
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... • Infections: HCV ... infection, HBV ... infection, HIV infection ... DDX: • ANCA (Antineutrophil
Mitral Valve Infective Endocarditis on POCUS Echocardiogram

IE & HIV & CD4<100 - Oh My!! Time for
Echocardiogram IE & HIV ... Echocardiogram #clinical ... #a4c #cardiology
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Management Summary Clinical ... with passive AND active ... chills, malaise Ddx ... Ceftriaxone • HIV ... arthritis in sexually active
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... lymphocytic interstitial lung ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
satellite nodules • DDx ... massive fibrosis, active ... Galaxy #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical