10 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... thrombocytopenia, Hematology ... 2012, p 193 #Diagnosis ... #Differential # ... Thrombocytopenia #Evaluation
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory Evaluation ... activity is the diagnostic ... available for rapid diagnosis ... WBC count and differential ... #Workup #Hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... #Pain #MSK #rheumatology ... #approach #workup ... #differential # ... diagnosis #arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Lyme disease) • Mycobacterium ... #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
belonging to the Mycobacterium ... Hematologic malignancy ... diarrhea, abdominal pain ... Diagnosis Of NTM ... #Infections #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Diagnosis Framework ... Fever/Chills/Joint ... pain/Night sweats ... bacilli (19%) - Mycobacterium
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
Diagnosis Framework ... pseudomallei • Mycobacterium ... Campylobacter jejuni • NTM ... possible fever, chest pain ... , hemoptysis, wheezing
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... vesicular eruption • Joints ... Palpable purpura, joint ... #Diagnosis #Rheumatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... anemia • Pain ... Hodgkin Lymphoma Workup ... Immunohistochemical studies (to differentiate ... classification #hematology