935 results
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
periorbital & nasolabial distribution ... follicles • Impetigo
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... Metastases: random distribution ... cysts, evenly distribution ... Diagnosis #Radiology #CTChest
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Extremities - Distributive ... Decompensated Distributive ... Interstitial Fluid Redistribution
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Central Distribution ... migrans) Central Distribution ... ) Peripheral Distribution ... Peripheral Distribution ... non-ill, flexor distribution
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
in number, the distribution ... periplymphatic distribution ... likely a random distribution ... Pulmonary #HRCT #CTChest
IDSA - Antimicrobial Therapy for Staphylococcal and Streptococcal Skin and Soft Tissue Infections
 • Impetigo (Staphylococcus
Infections • Impetigo
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Febrile, Diffuse Distribution ... Febrile Localised Distribution ... Afebrile Diffuse Distribution ... Afebrile, Localised Distribution
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... Radiology #Pulmonary #CTChest
Red Blood Cell Morphology Atlas

Size variation, Hemoglobin distribution,  
Hypochromia,  
Shape variation,  
Inclusions, 
Red
variation, Hemoglobin distribution ... , Red cell distribution
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Radiology #HRCT #CTChest