73 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CD4 Count: • Mycobacterium ... avium, Mycobacterium ... factor • May cause ... infiltrates, mimicking TB ... pneumonia, pleural effusion
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
gas equation • Causes ... : Interstitial lung ... • Most common cause ... ventilation (V) in the lungs ... bypassing the lungs
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Mycobacteria Species: • Mycobacterium ... tuberculosis • Mycobacterium ... africanum • Mycobacterium ... infected with Mycobacterium ... affecting the lungs
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Effusion - Differential ... • Bacterial: Mycobacterium ... - Metastatic: Lung ... #Pericardial #Effusion
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Infections • Mycobacterium ... most likely to cause ... with underlying lung ... mortality • Mycobacterium ... It can also cause
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Hodgkin's lymphoma, Mycobacterium ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... Parapneumonic effusion ... Nocardia spp., Mycobacterium
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Mycobacteria Species: • Mycobacterium ... tuberculosis • Mycobacterium ... africanum • Mycobacterium ... infected with Mycobacterium ... affecting the lungs
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Framework Knee Effusion ... Infectious Knee Effusions ... bacilli (19%) - Mycobacterium ... #causes #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Algorithm Ventilation/perfusion ... Parenchymal Disease Diffusion ... • Interstitial lung ... Diagnosis #Algorithm #Causes
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 ... #Differential #Lung