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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Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Thrombosis vs Arterial ... - Differential Diagnosis ... Fat Emboli ARTERIAL ... pathophysiology #hematology ... #differential #diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Idiopathic monoclonal ... Monoclonal IgM ... chills, flank pain ... hemolytic #anemia #hematology ... #diagnosis
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... - Differential Diagnosis ... - TMA: TTP - Arterial ... #Differential #Diagnosis ... #clots #hematology
Monoclonal Gammopathy of Undetermined Significance (MGUS) - Summary Framework

Hematologic disorder characterized by the presence of either
Monoclonal Gammopathy ... abnormal intact monoclonal ... : • Serum IgM monoclonal ... #Significance #hematology ... #diagnosis #oncology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Schönlein purpura • PAN ... Sarcoidosis #dermatology ... #joint #pain #skin ... #differential #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... 10 mm + pus • Material ... with rheumatic pain ... #Differential #Diagnosis ... #Dermatology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Causes of Leg Pain ... ulcers, Edema Arterial ... #differential #diagnosis
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Can Feature A Monoclonal ... Amyloidosis and monoclonal ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint Pain ... Arthritis Differential Diagnosis ... virus • Rubella Bacterial ... gonorrhea) • Bacterial ... #Differential #Diagnosis
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Differential Diagnosis ... Transverse myelitis • Hematology ... Deconditioning - Pain ... #differential #diagnosis