88 results
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
10-15 LPM • FiO2 ... provide a different FiO2 ... Flow 2-15 LPM • FiO2 ... 10-15 LPM • FiO2 ... 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 ... - 15 L/min • FiO2 ... ~40% Venturi Mask
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
Repetitive subthreshold mechanical ... StressFractures #msk ... #orthopedics #pathophysiology
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... Venturi Mask (venti-mask ... set to desired FiO2 ... deliver desired FiO ... Oxygen #Delivery #FiO2
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
Mechanical ventilation ... and difficult mask ... recruitment • FiO2 ... desaturation prioritise FiO2 ... non-ARDS • Mechanical
Pathophysiology of Pulmonary Embolism
 - Effects of mechanical occlusion
 - Effects of chemical mediators
 - Hemodynamic
Pathophysiology ... - Effects of mechanical ... Resolution #Pathophysiology
Myasthenia Gravis - Ptosis, Diplopia, Blurred Vision

Acute Myasthenic Crisis 
• Triggered by infection, medication 
• Respiratory
Respiratory failure • Mechanical ... Gravis #Diagnosis #Pathophysiology
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
(1-6L, 24-40% FiO2 ... ) • Face mask ( ... 5-10L, 35-60% FiO2 ... Face tent/shovel mask ... ) • Venturi mask
Disc Herniations - Pathogenesis and Complications
• 90% of Lumbar disc herniations happen at L4/5 and L5/S1
•
shock-absorbing capacity -> Mechanical ... complications #msk ... #pathophysiology
The biotrauma hypothesis of ventilator-induced lung injury. IL = interleukin; PEEP = positive end-expiratory pressure; Pplat
#Pathophysiology ... Barotrauma #Injury #Mechanical