9 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
: • Vascular occlusion ... Drug induced - Bone ... Splenomegaly - CTD (SLE ... Associated - SLE ... #nonpalpable #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... disease Palpable purpura ... Henoch Schönlein purpura ... lesions • Discoid lupus ... Sarcoidosis #dermatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Disease Vaso-occlusive ... dz difficult to see ... Differentiate from vaso-occlusive ... diagnosis #causes #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... easy bruising to purpura ... (Petechial or purpuric ... SJIA], systemic lupus ... erythematosus [SLE
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Henoch Schonlein Purpura ... Non-Palpable Rash: - Purpura ... Autoimmune Vasculitis (lupus ... #Causes #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... diseases: - 10% SLE ... (e.g. systemic lupus ... erythematosus (SLE ... diagnosis #types #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... such as systemic lupus ... reactions, and vaso-occlusive ... vasculitis, and SLE ... #rheumatology #classification
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
A lazy man's classification ... classical method, one ... and come to a conclusion ... #Hyponatremia #Algorithm
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... Remember that a one-off ... check at least one ... some time, let’s see ... Differential #Diagnosis #Algorithm