28 results
Using Stroke Windows for Detecting Ischemia on Head CT
When evaluating a CT head for possible stroke,
a CT head for possible ... attenuation (blood/lung ... Level (or Center ... #Radiology #CTHead ... #diagnosis #comparison
Using Subdural Windows for Detecting Hemorrhage on Head CT
When evaluating CT head for hemorrhage, widen the
CT head for hemorrhage ... attenuation (blood/lung ... Level (or Center ... #Radiology #CTHead ... #diagnosis #comparison
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... Red Flags: • Fever ... sweats, chills (infection ... ) • Abnormal CXR ... refer + order CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... : • 80% have fever ... decubitus - air fluid level ... CT Lung Abscess
Chest X-Ray Interpretation Checklist
Outline ALL bones
Check soft tissues
Assess heart borders
Is density, behind the heart the same
Check AP window ... cervical rib Check lung ... #XRay #CXR #Interpretation ... #Checklist #radiology ... #diagnosis #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... Differential Diagnosis ... #CXR #clinical ... #CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • CT: Halo sign ... #Infections #HIV ... #differential #diagnosis
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... Inflammation (e.g., fever ... Venn #Diagram #Diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
embolism, Pulm edema, heart ... failure, COPD, Lung ... +/- High res CT ... chest scan), CBC ... HIVAIDS #workup #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... Differential Diagnosis ... , anti-CCP • CXR ... high resolution chest ... CT • Bronchoscopy