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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Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
disorders • Diagnosis ... and Treatment Algorithm ... Syndrome #HES #Hematology ... #eosinophils #diagnosis ... #management #algorithm
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... Algorithm DIFFUSE ... HairLoss #Alopecia #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential Diagnosis ... a crescent or complete ... 1min_idconsult #Reverse ... #Differential #Diagnosis
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
• Nucleolar: Diffuse ... ANA #patterns #rheumatology ... #diagnosis #differential
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Scleroderma (Diffuse ... Associations #diseases #diagnosis ... #table #rheumatology
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Chest Pain - Diffuse ... Consolidations AKA "inverse ... Eosinophilic #Pneumonia #diagnosis
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
and Differential Diagnosis ... Algorithm Consumption ... #Differential #Diagnosis ... #Algorithm #Hematology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Anti-NucIear Antibody refers ... • Nucleolar: Diffuse ... ANA #patterns #rheumatology ... #diagnosis #differential
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
- Differential Diagnosis ... Algorithm Polycythemia ... Better call hematology ... #Algorithm #workup ... #hematology
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Fever and Rash - Diagnostic ... Algorithm Central ... Viral hemorrhagic fevers ... Rash #Febrile #Diagnosis ... #Algorithm #Schema