29 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
• Flow rate of ... • Flow rate of ... • Flow rate of ... Venturi Mask (venti-mask ... #FiO2 #Pulmonary
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... x 0.03)} DO2 = Rate ... of oxygen delivery ... #Equation #pathophysiology ... #pulmonary #apples
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Nasal Oxygen Delivery ... can be used to deliver ... associated with a lower rate ... prevent reintubation after ... Devices #management #pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... not tolerate a tight-fitting ... specified flow rate ... #Oxygen #Delivery ... Devices #management #pulmonary
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Definition: mean pulmonary-artery ... Pathophysiology ... Options Balloon Pulmonary-Artery ... Used to reduce pulmonary-artery ... Goal: prevent pulmonary-artery
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
pressure (PAp) ● Pulmonary ... SVR = 80 x [mean artery ... – CVP]/CO) ● Pulmonary ... SVI = CI/heart rate ... 0.136) ● Oxygen delivery
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
- Pulmonary Artery ... ARTERY PULSATILITY ... hydraulic energy delivered ... Ahmed Ghoneem, MD MSc ... #artery #catheter
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior spinal artery ... Posterior spinal artery ... proprioception, and light ... Syndromes #diagnosis #pathophysiology ... signs #symptoms #msk
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
Increase => Months later ... tissue => Years later ... Severe, worse at night ... FrozenShoulder #pathophysiology ... stages #staging #msk
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
crackles in the right ... insufficiency shortly after ... Edema: • Pathophysiology ... decreased respiratory rate ... • Pathophysiology