10 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... Syndrome - ... : Atelectasis, ARDS ... UnremarkableLab #AA ... #differential #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... be detected on CT ... the underlying cause ... #CheatSheet #Diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... Syndrome - Diagnosis ... absence of intrinsic lung ... disease Caused ... #syndrome #diagnosis
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Hepatopulmonary ... time = increased Aa ... arteriovenous shunting causes ... presence in the lower lung ... portal HTN • Aa
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... Goodpasture's cause ... sparing of the lung ... seen on chest CT ... #management #treatment
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Mounier-Kuhn syndrome ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
starting amiodarone treatment ... organizing pneumonia, ARDS ... respiratory distress syndrome ... Exclude other causes ... macrophages Treatment
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome ... #pulmonary #differential
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
, verrucous) - Lung ... Culture Positive ... Cerebral > Splenic, Pulmonary ... Cholesterol emboli syndrome ... hematuria, + RF Treatment
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
comprising langerin-positive ... • Pulmonary Symptoms ... DIAGNOSIS • Imaging ... : X-rays, CT, or ... TREATMENT OPTIONS