9 results
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Purple #Urine #Bag ... Syndrome #PUBS #pathophysiology ... #clinical #photo ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pathophysiology ... Lung Abscess - Clinical ... Prevotella • Fungal ... Differential Diagnosis ... #pulmonary #differential
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... , VTE • Wrong Bug ... bacteria: Viral, Fungal ... Source control (abscess ... • Secondary to Treatment
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
Pathogenesis and Clinical ... bacteria, viruses, fungi ... : Ag-presenting ... proliferate and differentiate ... Humoral #Immunity #pathophysiology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... infection (NTM) • Fungal ... emboli • Lung abscess ... characteristic features Clinical ... Tuberculosis Treatment
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... infection (NTM) • Fungal ... emboli • Lung abscess ... characteristic features Clinical ... Tuberculosis Treatment
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
noncompliance • Clinical ... initiation Clinical ... osteomyelitis, cutaneous abscesses ... Calmette-Guérin (BCG ... Leishmaniasis Differential
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
Treatment: Itraconazole ... plaques, pustules, abscess ... Majocchi granuloma Treatment ... recommended Mayo Clinic ... #photo #microscopy
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
body • Bird and bat ... has five major clinical ... stain of clinical ... Aspergillosis Pathophysiology ... Sinusitis • Brain abscess