37 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... identified, Strep pneumoniae ... (Mycoplasma pneumoniae ... Evaluation: Imaging (CXR ... +/- High res CT
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... infections according ... to CT-scan patterns ... #Patterns #Pulmonary ... #Lung #Infections
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
diffuse inhalational injury ... rarely typical pneumonia ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... , Pulmonary embolism ... , Lipid pneumonia ... Reverse #Halo #Sign ... Differential #Diagnosis #pulmonary
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... infiltrate (e.g., CXR ... , CT, ultrasound ... chest pain) and signs ... #Pneumonia #Venn
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... , Cryptococcal pneumonia ... • CT: Halo sign ... Microsporidium #Lung #Infections ... #HIV #AIDS #pulmonary
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Malformation Normal CXR ... /CT • Hematemesis ... Bronchitis Diffuse CT ... Vasculitis Infection ... Vascular • Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... Honeycombing: Idiopathic Pulmonary ... HighRes #Chest #CT
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
Pneumothorax, pulmonary ... - Flail chest, pulmonary ... , pulmonary contusion ... abdominal viscus #cxr ... trauma #diagnosis #signs
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
allopurinol), Infection ... • Labs: CBC, cr ... , anti-CCP • CXR ... resolution chest CT ... DAH, rule out infection