333 results
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Flow 6-10 LPM • FiO2 ... 35-50% Face Tent ... 10-15 LPM • FiO2 ... uses a small valve ... 10-15 LPM • FiO2
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
- 6 L/min • FiO2 ... of flow) Face Mask ... - 10 L/min • FiO2 ... Device: Face Tent ... ~40% Venturi Mask
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... retention of exhaled gases ... • Uses either ... set to desired FiO2 ... deliver desired FiO
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... 4 tests for the ... after cross-arm test ... Differential #Diagnosis #Algorithm ... #MSK
Anterior Cruciate Ligament Injury seen with positive Anterior Drawer Test

#Anterior #Cruciate #Ligament #ACL #Injury #Drawer #Test
Anterior Drawer Test ... Injury #Drawer #Test ... physicalexam #clinical #video ... #msk
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... of patella then ask ... Grind #clinical #video ... Patellofemoral #msk
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
(1-6L, 24-40% FiO2 ... ) • Face mask ( ... ) • Face tent/shovel ... mask (5-15L, 35 ... ) • Venturi mask
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman test ... That causes the ... #Lachmans #test ... ACLTear #clinical #video ... cruciate #ligament #msk
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Negative) Lachman Test ... #Lachmans #test ... Negative #clinical #video ... cruciate #ligament #msk
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... impractical to test ... many possible causes ... pick specific tests ... Chronic #Diarrhea #Algorithm