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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Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Framework Narrow-Complex ... : • Regular: Sinus ... variable block) Regular-Complex ... w/aberrancy • Irregular ... #regular
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... a crescent or complete ... • Infectious Causes ... Non-Infectious Causes ... 1min_idconsult #Reverse
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
• Diplopia • Fevers ... Unilateral #Bilateral #Causes
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Bloody diarrhea • Severe ... Few infectious causes
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency - Causes ... Hemolysis, Malignancy, Severe
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
dissection is caused ... Abrupt onset and severe
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
CNS inflammatory cause ... benefit, rec for severe