26 results
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
infections according to CT-scan ... myelodysplastic syndrome ... #Lung #Infections ... ComputedTomography #Differential ... #Diagnosis #Chest
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... evidence of a chest ... infiltrate (e.g., CXR ... , CT, ultrasound ... #Pneumonia #Venn
Flail Chest Breathing on Physical Exam
74 year-old male, fallen over in the garden. Four rib fractures.
Physical Exam 74 year-old ... The video shows ... fractures missed by CXR ... , so use CT to identify ... also pulmonary
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Malformation Normal CXR ... /CT • Hematemesis ... Bronchitis Diffuse CT ... Goodpasture's Syndrome
Flail Chest Breathing on Physical Exam
74 year-old male, fallen over in the garden. Four rib fractures.
Physical Exam 74 year-old ... The video shows ... fractures missed by CXR ... , so use CT to identify ... also pulmonary
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
• Labs: CBC, cr ... , anti-CCP • CXR ... high resolution chest ... CT • Bronchoscopy ... #differential #
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... : • 3 syndromes ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential