74 results
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
ß-D-glucan: • Most fungi ... Glucan-containing gauzes ... Specificity #Laboratory #InfectiousDiseases ... #Diagnosis #Fungus ... #Fungi #Fungal
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... Mycobacteria - Fungal ... Mycobacteria - Fungal ... Differential #Diagnosis #InfectiousDiseases
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
PATHOPHYSIOLOGY: ... Lipopolysaccharide components ... Double-stranded RNA • Fungi ... Mannan and glucan components ... #InfectiousDiseases
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... pulmonary abscess (TB, fungal ... #Differential #Lung
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Fever - Pyrogen Pathophysiology ... Lipopolysaccharide components ... stranded RNA • Fungi ... Mannan and glucan components ... Fever #Fever #Pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Abscess Pathophysiology ... Clindamycin in case ... Prevotella • Fungal ... #differential #causes
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
Glass Opacities on Lung ... CT - Pathophysiology ... glass opacity lung ... often, GGO is caused ... pulmonary #ChestCT #Pathophysiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
It is caused by ... actually seen in all causes ... bacterial/viral/fungal ... pneumonia, congenital causes ... radiology #ChestCT #pathophysiology
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
diameter are called lung ... masses & should ... nodules (no solid component ... associated with lung ... a diagnosis of lung
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... with underlying lung ... It can also cause ... Reported cases associated ... #differential #infectiousdiseases