Ravi Singh K @rav7ks
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Academic Hospitalist and Program Director @SinaiBmoreIMRes, Medicine clerkship director GW School of Medicine and Health Sciences RMC at Sinai, Clinical reasoning,Simulation and POCUS enthusiast - https://twitter.com/rav7ks
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Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Cardiopulmonary disease ... syndrome • Celiac disease ... Inflammatory bowel disease ... Adult Still's disease ... Necrotic bowel disease
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Pregnancy - Renal disease ... Bone symptoms - Pain ... granulamatous disease ... - Infiltrative diseases ... Other biliary diseases
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... infection • Lyme disease ... migrans • Lyme disease ... Sarcoidosis • Crohn's disease ... dermatology #joint #pain
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
intolerance, chest pain ... Valvular heart disease ... Structural heart disease ... : • Pulmonary disease
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
infection, Autoimmune diseases ... Alcohol-induced pain ... : Pain in involved ... - Autoimmune diseases ... - Extranodal disease
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Causes of Leg Pain ... Patellofemoral pain ... Legg-Calve-Perthes disease ... - HIV - Lyme disease
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint Pain ... History: Is the pain ... Symptoms of Joint Disease ... categories of joint disease ... necrosis, and Paget disease
Lyme Disease - Diagnosis and Management Summary

Lyme Disease Epidemiology:
- Spirochete
- Reservoir: small mammals & birds
- Transmitted
Lyme Disease - Diagnosis ... Summary Lyme Disease ... Vision changes - Pain ... Joint swelling/pain ... Lyme Disease
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint Pain ... Noninflammatory Pain ... Rheumatologic Disease ... whippleii (Whipple's disease ... burgdorferi (Lyme disease
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... IBD, Whipple's disease ... • Whipple's disease ... Vasculitis (e.g., PAN ... conditions #joint #pain