303 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Disease and more • Diffusion ... Defect: Pulmonary
Light's Criteria for Pleural Effusions

#Diagnosis #Pulmonary #Lights #Criteria #Pleural #Effusion #Differential

** GrepMed Recommended Text: Pocket Medicine:
Criteria for Pleural Effusions ... #Diagnosis #Pulmonary ... Criteria #Pleural #Effusion
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 ... 10-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... Devices #management #pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... explained by pleural effusions ... lung collapse, or pulmonary ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... on valve) • FiO2 ... devices #management #pulmonary
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2 ... #Pulmonary #Equipment
Electrical Alternans demonstrated in Pericardial Effusion (Swinging Heart)

- HeartToProve @HeartToProve

#Electrical #Alternans #Clinical #POCUS #Echocardiogram #Pericardial #Effusion
in Pericardial Effusion ... Clinical #POCUS #Echocardiogram ... #Pericardial #Effusion
Ascites, pericardial effusion, and left pleural effusion on subcostal 4-chamber POCUS echocardiogram

Subcostal window in SLE patient.
Ascites, pericardial effusion ... and left pleural effusion ... -chamber POCUS echocardiogram ... , left pleural effusion ... #s4c #POCUS #echocardiogram
Loculated pericardial effusion seen in apical 4-chamber on echocardiogram

Dr. J. Christian Fox @jchristianfox

#Pericardial #Effusion #Loculated #complex
Loculated pericardial effusion ... apical 4-chamber on echocardiogram ... #Pericardial #Effusion ... Loculated #complex #Echocardiogram
Massive Pericardial Effusion on Echocardiogram

I recently saw the largest pericardial effusion of my life. Something out
Massive Pericardial Effusion ... on Echocardiogram ... largest pericardial effusion ... #Pericardial #Effusion ... #Echocardiogram