31 results
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Bleomycin Hematologic ... • Sickle Cell Anemia ... Cryoglobulinemia Infectious ... #dermatology #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... #rashes #differential
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... hemolysis, deficiency anemia ... Rheumatologic, Vasculitides ... Thrombocytosis #Platelets #Differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Megakaryopoiesis • Aplastic Anemia ... HUS • DIC • Vasculitis ... • Infection ... Algorithm #Causes #Hematology
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Mental Status - Differential ... Trauma, TBI, Tumor, Vasculitis ... Electrolyte disturbance, Uremia ... Thyroid disease • Infectious ... Insomnia, HTN, PRES, Pain
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - Hemolytic anemia ... SLE) - Viral infections ... APLS • Acute Infectious ... #Diagnosis #hematology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential ... Hyperemia Spasm • Vasculitis ... • Sickle Cell Anemia ... Vascular #JointPain #MSK ... #Differential #
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... (5%): PAN > GPA ... (3%) • Infections ... #dermpath #dermatology ... pathology #lesions #differential
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Pulmonary HTN - Vasculitis ... Transverse myelitis • Hematology ... : - Anemia • ... Deconditioning - Pain
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Framework Non-Infectious ... Aortitis: • Vasculitides ... Polyarteritis Nodosa (PAN ... #Diagnosis #rheumatology