14 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery ... • Delivers oxygen ... • Delivers oxygen ... #Pulmonary #Equipment ... #Devices #Management
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 ... #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 ... nickmmark #Nasal #Oxygen ... #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 ... #Delivery #Devices ... #management #pulmonary
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... Palpitations, light-headedness ... Noncardiac: • Pulmonary ... Rate Control • ... #Cardiology #Management
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
– CVP]/CO) ● Pulmonary ... SVI = CI/heart rate ... SVI x 0.136) ● Oxygen ... delivery (DO2 = ... Hb x SaO2) ● Oxygen
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
→ ↓ → →↑ Pulmonary ... Cardiac Work Index, Right ... Stroke Work Index, Right ... Delivery DO2 | ... Delivery Index
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... Palpitations, light-headedness ... Noncardiac: • Pulmonary ... factors Atrial Fibrillation ... AFib #diagnosis #management
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
crackles in the right ... - Amount of oxygen ... Edema: • Pathophysiology ... decreased respiratory rate ... • Pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... Lung Abscess Pathophysiology ... degrees • Chills, night ... CXR upright or lat ... Lung #Abscess #pulmonary