276 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... sepsis) - High PaO2 ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes
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 ... Embolism, Obstructive Lung ... , Interstitial Lung
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest CT ... radiopaedia.org/cases ... bronchopulmonary-segments-annotated-ct ... Segments #Chest #CT ... #CTChest #pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... be detected on CT ... or CXR ● PaO2/ ... there is no clear cause ... the underlying cause
Main causes of diffuse parenchymal lung diseases.

#differential #algorithm #diagnosis #causes #DPLD #ILD #parenchymal #lung #diseases #pulmonary
Main causes of diffuse ... parenchymal lung ... #differential #algorithm ... #diagnosis #causes ... #diseases #pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... computed tomographic (CT ... lobar collapse, lung ... collapse, or pulmonary ... - 200 mm Hg < PaO2
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
HYPOVENTILATION • Rising PaCO2 ... : Interstitial lung ... diseases, pulmonary ... ventilation (V) in the lungs ... bypassing the lungs
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Differential Diagnosis Algorithm ... Malformation Normal CXR/CT ... Bronchitis Diffuse CT ... #Causes #Pulmonary
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... • Distinct pulmonary ... leading into a lung ... #Vessel #Sign #CT ... #Lung #Pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Pulmonary Arterial ... • Valvular Lung ... • Interstitial Lung ... #Causes