69 results
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
of flow) Face Mask ... FiO2: 40 - 60% Device ... : Face Tent • ... ~40% Venturi Mask ... respiratory #support #devices
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
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... pole of patella then ... ask patient to ... Patellofemoral #msk
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Oxygen Delivery Devices ... Variable devices ... appropriate seal, then ... Devices delivering ... NRB) • Venturi Mask
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... Devices Simple ... Mask: • Flow ... FiO2 35-50% Face Tent ... Oxygen #Delivery #Devices
CPAP Troubleshooting Tips
1. Wrong size/style mask → try a different mask, nasal pillows
2. Trouble getting used
time while awake, then ... forced air → use device ... face at first, then ... Unintentionally removing device ... check air filter, device
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Oxygen Delivery Devices ... FiO2) • Face mask ... FiO2) • Face tent ... /shovel mask (5- ... Oxygen #Delivery #Devices
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Piriformis Test ... (FAIR Test - Flexion ... to 90 degrees, then ... is a positive test ... #physicalexam #msk
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Syndrome Testing Algorithm ... dexamethasone suppression test ... midnight) - Then ... Urine Free by LC-MS ... Syndrome #diagnosis #algorithm
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... impractical to test ... inflammatory, and then ... pick specific tests ... Chronic #Diarrhea #Algorithm