83 results
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Signs - Air Crescent ... - Air bronchogram ... sign - CT angiogram ... Lung #Signs #Pulmonary
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... a preexisting pulmonary ... .2016.12.033 #Monod #Sign ... #CT #Lung #Pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Flow 6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... oxygen ambient air ... 10-15 LPM • FiO2 ... Devices #management #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... (assumes Room Air ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Intracardiac, Pulmonary
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... entrainment of room air ... set to desired FiO2 ... deliver desired FiO ... #Pulmonary #Equipment
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Distinct pulmonary ... Feeding #Vessel #Sign ... #CT #Lung #Pulmonary
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... computed tomographic (CT ... lung collapse, or pulmonary ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Hypertension on Chest CT ... Carina crossover sign ... @PulmPEEPs #Pulmonary
PECARN Head CT Decision Aid

The Head CT Choice decision aid was developed in Rochester, Minnesota. Full
PECARN Head CT Decision ... Aid The Head ... CT Choice decision ... disadvantages of cranial CT ... observation, and signs