14 results
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
• Should be on differential ... patient with known AAA ... de novo between aorta ... compression of AAA ... or within the aorta
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... symptomatology Differential ... , anti-GBM ab, ANA ... Renal #Syndrome #differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Hypoxemia #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... ANCA vasculitis (AAV ... coagulopathy) • CBC w differential ... FINDINGS: • AAV ... Renal #Syndromes #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
) ANA or Anti-NucIear ... • +ANA can be seen ... The higher the ANA ... , Interstitial Pulmonary ... rheumatology #diagnosis #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
dissection of ascending aorta ... Cold and Dry) • Puimonary ... failure from massive pulmonary ... embolism or severe pulmonary ... #criticalcare #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... progressing GN • New pulmonary ... < 30 years - Aorta ... branches • GCA: - Aorta ... LFT • ESR • ANA
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... erosion into the aorta ... or pulmonary artery ... Broncholithiasis #Differential ... #Diagnosis #pulmonary
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... AIA, angioinvasive ... pneumonia; PZ, pulmonary ... #Diagnosis #Pulmonary ... ReverseHaloSign #Differential