41 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Pulmonary HTN - Vasculitis ... Hepatopulmonary syndrome ... Transverse myelitis • Hematology ... Deconditioning - Pain
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... #Hematology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (5%): PAN > GPA ... #dermpath #dermatology ... #semiology #signs ... pathology #lesions #differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... • Differentiate ... #Disease #differential ... #diagnosis #causes ... #hematology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential ... Hyperemia Spasm • Vasculitis ... Marfan's Syndrome ... #Orthopedics #Causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... surfaces of the joints ... burning sensation or pain ... reticularis Differential ... • Goodpasture syndrome
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... arteritis, Cogan's Syndrome ... Polyarteritis Nodosa (PAN ... ANCA associated vasculitis ... #Diagnosis #rheumatology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential ... - DRESS - AIN ... Asthma Tugs (vasculitis ... Hypereosinophilic Syndrome ... #hematology