21 results
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
of flow) Face Mask ... FiO2: 40 - 60% Device ... ~40% Venturi Mask ... respiratory #support #devices ... #management #pulmonary
CPAP Troubleshooting Tips
1. Wrong size/style mask → try a different mask, nasal pillows
2. Trouble getting used
it → wear for short ... forced air → use device ... check air filter, device ... Troubleshooting #Tips #management ... #problems #pulmonary
Oxygen Delivery Methods
 • Nasal Cannula
 • Nonrebreather Mask
 • Non-Invasive Ventilation (CPAP/BiPAP)
 • Venturi Mask
Nonrebreather Mask ... BiPAP) • Venturi Mask ... Delivery #Methods #devices ... #respiratory #pulmonary ... #management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... fractures • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... dislocation • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... dislocation • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Devices Simple ... Mask: • Flow ... the exhalation ports ... Oxygen #Delivery #Devices ... #management #pulmonary
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... injury • ED Management ... Dislocation #Wrist #Carpal ... #Orthopedics #Sports ... #MSK
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery by Device ... Venturi Mask (venti-mask ... Delivery #FiO2 #Pulmonary ... #Equipment #Devices ... #Management
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
MUSCULOSKELETAL ULTRASOUND ... Nerve: Ultrasound ... of hypoechoic spots ... median nerve in the carpal ... MUSCULOSKELETAL #MSK