51 results
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
- Differential Diagnosis ... CA, small cell lung ... Metabolic: Wilson Disease ... #Differential #Diagnosis ... #causes #hepatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... anemia • Sputum/Blood ... seen • Chest CT ... #differential #causes
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... - HIV Left-Sided ... • Valvular Lung ... • Interstitial Lung ... Miscellaneous: • Hematologic
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... • Hemoptysis (blood ... refer + order CT ... History of cancer, lung ... #Algorithm #causes
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... #rheumatology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
in HIV/AIDS Patients ... Pulmonary edema; ARDS ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... #differential #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Disease by CD4 ... • CT: Halo sign ... Chest pain, cough, bloody ... factor • May cause ... #AIDS #pulmonary
Streptococcal Toxic Shock Syndrome (STSS)
Complication of invasive GAS disease characterized by shock & MOF → occurs
of invasive GAS disease ... GAS in 30% of cases ... body site (i.e., blood ... kidneys, liver, lung ... /ARDS, coagulopathy
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
- HIV infection ... Interstitial lung ... multifactorial mechanisms Hematologic ... Classification #Diagnosis ... #Differential #Causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Hematologic malignancy ... Diagnosis Of NTM ... Lung Disease: ... Imaging, high res CT