Ravi Singh K @rav7ks
1.3M 757 370
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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Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
Aortic Dissection ... Pearls Aortic dissection ... Consider aortic dissection ... Abrupt onset and severe ... FHx of aortic dissection
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... a crescent or complete ... 1min_idconsult #Reverse
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Framework Narrow-Complex ... block) Regular-Complex
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
Acoustic neuroma, Complex
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
• Diplopia • Fevers
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Consolidations AKA "inverse
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Viral hemorrhagic fevers
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Bloody diarrhea • Severe
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
) B symptoms → fevers
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
moderate • <50% - severe