94 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... Lachmans #test #ACL #Knee ... #Injury #Normal ... cruciate #ligament #msk
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... blood loss) or abnormal ... Hypoxemia #summary #pulmonary
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
) • Abnormal morphology ... data regarding pulmonary ... Assessing for CO2 ... output state - Pulmonary ... patterns #diagnosis #pulmonary
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... ) is below normal ... compensate for low PaO2 ... diagnosis #comparison #pulmonary
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
mucous membrane of oral ... Oxygen therapy - Pulmonary ... Arterial blood gas - pO2 ... Arterial blood gas - pO2 ... normal #Cyanosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
ABG And BMP Normal ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Classically” noted with pulmonary
Normal horizontal repetitive artifacts (A Lines) 

 - Dustin Morrow MD @SonoSerious

#ALines #Artifact #Pulmonary #Lung #Ultrasound
Normal horizontal ... ALines #Artifact #Pulmonary ... Lung #Ultrasound #POCUS ... #Clinical #Normal
POCUS Findings in Acute Pulmonary Embolism
- McConnell's Sign
- TAPSE
- D-Shaped Septum
- Abnormal RV:LV Ratio

#Pulmonary #Embolism #AcutePE
POCUS Findings in ... Acute Pulmonary ... D-Shaped Septum - Abnormal ... RV:LV Ratio #Pulmonary ... AcutePE #Accuracy #POCUS
Baker's Cyst on POCUS
Very unusual ,6 years boy with a Baker cyst !!! No flow and
Baker's Cyst on POCUS ... connected to the knee ... #Bakers #Cyst #POCUS ... #clinical #knee ... #ultrasound #msk