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
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
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
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
ICU Hypotension - Evaluation Algorithm

OFTEN Mnemonic:

OWN THE PULSE PRESSURE 

FEEL YOUR PATIENT'S LEGS 

TEST FOR FLUID
Hypotension - Evaluation Algorithm ... PATIENT'S LEGS TEST ... RESPONSIVENESS ECHO/POCUS ... Hypotension #Evaluation #Algorithm