298 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
true positives / disease ... / disease absent ... / all negatives ... Specificity = SPIN ... #calculations #diagnosis
Purpuric Skin Lesions - Petechia/Purpura and Ecchymosis 

#Purpuric #Purpura #Petechia #Ecchymosis #Comparison #Dermatology #Skin #Diagnosis #Clinical
Purpuric Skin Lesions ... Petechia #Ecchymosis #Comparison ... #Dermatology #Skin ... #Diagnosis #Clinical
Skin Cancer Overview - Basal Cell, Squamous Cell and Melanoma

#Skin #Cancer #Basal #Squamous #Melanoma #Dermatology #Diagnosis
Skin Cancer Overview ... and Melanoma #Skin ... Squamous #Melanoma #Dermatology ... #Diagnosis #Overview ... #Comparison
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... disorders • Celiac disease ... #Differential #Diagnosis ... #Algorithm #Causes
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... • Autoimmune disease ... HACEK • Culture-negative ... #Noninfective #Causes ... #Differential #Diagnosis
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... - Differential Diagnosis ... artery aneurysm: Causes ... #Differential #Diagnosis ... #clots #hematology
Staphylococcal Scalded Skin Syndrome (SSSS) 
(aka Ritter disease)

#Staphylococcal #Scalded #Skin #Syndrome #SSSS #Diagnosis #Pediatrics #Dermatology #Ritter
Staphylococcal Scalded Skin ... (aka Ritter disease ... Syndrome #SSSS #Diagnosis ... #Pediatrics #Dermatology ... #Ritter #Disease
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Systemic and Primary Causes ... Cholestatic liver disease ... #generalized #dermatology ... #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... - Bone marrow disease ... #Differential #Diagnosis ... #hematology #rheumatology