11 results
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... Temperature Right ... MatthewHoMD #Oxygen ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
and Hypoxia - Pathophysiology ... DPG so that the oxygen ... increased in all eight ... #hypoxia #pathophysiology ... #pulmonary
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Nasal Oxygen Delivery ... In hypoxemic respiratory ... associated with a lower rate ... Devices #management #pulmonary ... #criticalcare
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... crackles in the right ... - Amount of oxygen ... rate, decreased ... edema #causes #differential
High Flow Nasal Cannula
Putative beneficial mechanisms of high flow nasal cannula (HFNC) 
oxygen therapy. EELV, end-expiratory
cannula (HFNC) oxygen ... oxygen fraction ... highflownasalcannula #pathophysiology ... #mechanisms #criticalcare ... #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 ... Devices #management #pulmonary ... #criticalcare
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 ... min 400-600 mL Respiratory ... ratio Respiratory
Pulse Oximetry Summary
Pulse oximetry is the non-invasive continuous measurement of the oxygen saturation of hemoglobin. It
measurement of the oxygen ... deoxy hemoglobin differentially ... and infra-red light ... Oximetry #Summary #critcalcare ... #pathophysiology
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Classification Types - Pathophysiology ... Pulmonary embolism ... and inadequate oxygen ... #Shock #Types #Pathophysiology ... #Comparison #criticalcare
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
blood flow (CO) & oxygen ... Cardiac Tamponade, Pulmonary ... develop low CO later ... Shock #diagnosis #differential ... guyton #curves #criticalcare