44 results
Streptococcal Toxic Shock Syndrome (STSS)
Complication of invasive GAS disease characterized by shock & MOF → occurs
Syndrome (STSS) ... of invasive GAS disease ... kidneys, liver, lung ... day 2 + 3 BIDMC Infectious ... #Syndrome #STSS
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse Lung ... granulomatosis - Churg-Strauss ... syndrome - Giant ... cell arteritis Infectious ... #Pulmonology #Differential
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... and Lung Infections ... spp, Lemierre syndrome ... Diseases Fellows ... #Lung #Infections
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... lesions • 80% with lung ... multiple lesions Infectious ... RingEnhancing #Lesions #Brain ... #differential #
Co-occurrence of Lung-Brain Infections
When we hear a patient w/ co-occurrence of lung-brain infection, Nocardia seems to
Co-occurrence of Lung-Brain ... co-occurrence of lung-brain ... • Lemierre syndrome ... #Infections #Lung ... #Brain #Differential
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminitis - Differential ... Diagnosis • Infectious ... CA, small cell lung ... HELLP • Trauma: Shock ... Metabolic: Wilson Disease
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - Differential ... Viral: Measles, Infectious ... gonorrhea, Rickettsial diseases ... , Toxic shock syndrome ... Erythema Multiforme, DRESS
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... NMS, serotonin syndrome ... (daptomycin in lungs ... • Secondary to Treatment ... thrombophlebitis), HAP, Blood stream
Systemic Inflammatory Response Syndrome (SIRS)
•	Non-specific (infections vs non-infectious)
•	≥2 of the following:
o	Temp >38°C or <36°C
o	HR >90 bpm
o	RR
Inflammatory Response Syndrome ... Septic Shock • ... recognition & treatment ... Source control (drain ... glycemic control, DVT/stress
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Syndrome ... • Chronic Lung Infection ... #HeartFailure #Cardiology ... #Differential #