33 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... pulmonary infection ... Primary skin and ... Mycobacterium #diagnosis ... #differential #infectiousdiseases
Fatality / Mortality Calculations in an Outbreak
There are a number of different types of rates, risks,
rates, risks, ratios ... / # of people diagnosed ... with symptoms / ... symptoms Dr. ... #Calculating #InfectiousDiseases
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential Diagnosis ... Cryoglobulinemia Infectious ... Ulcers #ulcerative #skinrash ... #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... - Differential Diagnosis ... foliaceus - Infectious ... Vesiculobullous #SkinRash ... #causes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential Diagnosis ... borders of lips Infectious ... #Pustular #SkinRash ... #causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... (eg, skin or esophageal ... #Differential #diagnosis ... #hematology #eosinophilia
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - Clues ... Diagnosis in a ... Schistosomiasis • Skin ... → Rabies, cat scratch ... HPI #Interview #InfectiousDiseases
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... and duration of symptoms ... angioedema Other symptoms ... #rheumatology #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Hematologic malignancy ... gastrointestinal symptoms ... • Clinical (Symptoms ... #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
acute respiratory symptoms ... osteomyelitis or skin ... organism into the skin ... Mouth, throat, skin ... ) #Mycoses #InfectiousDiseases