46 results
Sclerodactyly: Diffuse thickening of the skin on the hands, in this case due to Scleroderma. 
Note
thickening of the skin ... hands, in this case ... Note loss of normal ... Images #Clinical #Photo ... #Dermatology #Skin
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Classification Types - Pathophysiology ... Comparison Obstructive ... in blood flow caused ... Depends on the cause ... : Normal cardiac
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
destauration Sites - Skin ... therapy - Pulmonary cause ... Sites - Only skin ... Central #Peripheral #Comparison ... #Signs #Symptoms
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... • Secondary Causes ... Decreased Support Of Dermal ... Differential #Diagnosis #hematology ... #rheumatology #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... eosinophilia (common causes ... organ-specific signs ... symptoms (eg, skin ... Differential #diagnosis #hematology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... • Chadwick's sign ... #SkinChanges #normal ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Idiopathic • Normal ... diagnosis #algorithm #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... trigger - Direct skin ... 50% of patients Skin ... Urticaria #diagnosis #rheumatology ... #comparison #table
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
Virus -> Fecal-oral ... invade URT & via hematologic ... CNS and hematologic ... that persists as skin ... peds #pediatrics #pathophysiology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... located on the dorsal ... Inverse Gottron’s sign ... ulcerations • Skin ... Dermatomyositis #rheumatology