19 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... infection Malar rash ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin ... #Algorithm #Causes
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... triad (<10%): fever ... , rash, eosinophilia ... microscopic hematuria, mild ... #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... mucositis - Rash ... disease, drug reactions ... : • Fevers
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Edema in 70% of cases ... Fever >38.5 2. ... withdrawal • Mild ... #management
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... instability - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Inflammation and pain ... Causes: - Idiopathic ... Leukocytoclastic vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... disease, drug reactions ... , mucositis • Rash ... tract, and often causes ... involvement, abdominal pain
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
pain, dark urine ... maculopapular rash ... infections with skin ... #Transfusion #diagnosis ... #management #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
pain, dark urine ... maculopapular rash ... infections with skin ... #Transfusions #diagnosis ... #management #hematology