48 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Causes: Mucormycosis ... Causes: Granulomatosis ... , Pulmonary embolism ... , Lipid pneumonia ... Differential #Diagnosis #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... identified, Strep pneumoniae ... (Mycoplasma pneumoniae ... Chlamydophila pneumoniae ... CD4 > 200: Pulm embolism
Summary of Infections in which Steroids play a role in treatment
 • TB meningitis
 • TB
play a role in treatment ... pericarditis (select cases ... Severe Pneumocystis pneumonia ... • COVID-19 pneumonia ... #management #treatment
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... : • PVL virulence ... factor • May cause ... Microsporidium #Lung #Infections ... #HIV #AIDS #pulmonary
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
deep breathing Pulmonary ... Asthma • COPD • Pneumonia ... Tachypnea: • Pulmonary ... embolism • Cardiac ... dysfunction; toxic ingestions
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Urinothorax Exudate - Infectious ... : • Pneumonia ... Malignancy • Pulmonary ... embolism • Collagen
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... , Pulmonary lymphoma ... Treatment: • ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... of PCN allergy ... Lung #Abscess #pulmonary ... #management #treatment
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... • Autopsy PCR ... Treatment: • ... Hantavirus #diagnosis #management ... #treatment #microbiology
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... of Pneumonia on ... /lung sliding: Pulmonary ... interstitial diffuse infections ... had Mycoplasma pneumonia