Ravi Singh K @rav7ks
1.3M 760 370
Academic Hospitalist and Associate Program Director @SinaiBmoreIMRes, Medicine clerkship director GW School of Medicine and Health Sciences RMC at Sinai, Hopkins Medicine Clerkship Site Director, Clinical reasoning,Simulation and POCUS enthusiast - https://twitter.com/rav7ks
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Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... - Infectious and ... Non-Infectious ... a crescent or complete ... 1min_idconsult #Reverse
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... and Rash - Diagnostic ... Algorithm Central ... Viral hemorrhagic fevers ... Febrile #Diagnosis #Algorithm
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... DIFFUSE Scarring ... Related • Post-infectious ... Irreversible-biopsy required - Infectious ... Differential #Diagnosis #Algorithm
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
tobacco hx - Fever ... Chest Pain - Diffuse ... Consolidations AKA ... "inverse pulmonary
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Unilateral: • Infections ... Bilateral: • Infections ... • Diplopia • Fevers ... Ann Marie Kumfer
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antibody refers ... used to detect ANAs ... • +ANA can be seen ... • Nucleolar: Diffuse ... Lymphoproliferative Disorders, Infection
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
) B symptoms → fevers ... Complications: 1) Infection ... lymphadenopathy and