3447 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... cytoplasmic antibodies, rheumatoid ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... observed in acute rheumatic ... • Cause is unknown ... differential #diagnosis #dermatology
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
a Positive (+) Rheumatoid ... not always = RA Rheumatic ... disorders: • Rheumatoid ... Dermatomyositis Non-rheumatic ... ASanchez_PS #Rheumatoid
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... - Neutrophilic rheumatoid ... Syndrome #diagnosis #dermatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
skin lesions + Rheumatic ... Rule out other causes ... diagnosis #management #Dermatology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pseudogout • Early Rheumatic ... • Reactive • Rheumatic ... Symmetrical • Rheumatoid ... Migratory • Rheumatic ... #Orthopedics #Causes
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... disease Rare causes ... diseases (EGPA, rheumatoid ... Differential #Diagnosis #Causes
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Sarcoidosis • Rheumatoid ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Inflammatory: • IBD • Rheumatic ... Diagnosis #Algorithm #Causes ... #Hematology