50 results
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 ... amoxicillin) Oral ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Decreased Support Of Dermal ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... HTN - Vasculitis ... Hepatopulmonary syndrome ... Transverse myelitis • Hematology ... #pulmonary
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Malformation Normal ... Vasculitis Infection ... Vasculitis • ... Goodpasture's Syndrome
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Algorithm Relative - Normal ... Positive - Low/Normal ... Cyanosis without Pulmonary ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Diagnosis Algorithm Normal ... Myelodysplastic Syndromes ... Target Cells, Normal ... WBCs - Normal ... #Hematology
Causes of Ascites
Normal Peritoneum
Portal hypertension (SAAG > 1.1 g/dL)
  1. Hepatic congestionl
Causes of Ascites ... Normal Peritoneum ... Portal hypertension ... Portal vein occlusion ... Mediterranean fever - Vasculitis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... the joints • Oral ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... tract, and often causes ... : • Behçet Syndrome ... - Recurrent oral ... • Cogan Syndrome
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
strength & enzymes normal ... affects the skin, neurologic ... cognitive impairment, neurologic ... tract, and often causes ... : Recurrent oral