702 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... perfusion to meet O2 ... Shock #Shock #Pathophysiology ... differential #diagnosis #algorithm ... #causes
Lactic Acidosis - Overview and Pathophysiology
Lactic acid is an endogenous substrate for gluconeogenesis, that is constantly
- Overview and Pathophysiology ... why LR does not cause ... TYPE A: Impaired O2 ... ) • Decreased O2 ... differential #diagnosis #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
decreased unloading of O2 ... increased unloading of O2 ... Dissociation #Curve #Pathophysiology ... #Differential #Causes
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Differential Diagnosis Algorithm ... Erythropoietin, O2 ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Generalized Hypoxia - Differential Diagnosis
 • Hypoxemic - Not enough O2 (Most Common)
 •
Causes of Generalized ... Hypoxemic - Not enough O2 ... Cells can't use O2 ... Differential #Diagnosis #causes
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Left Shift (↓ O2 ... Right Shift (↑O2 ... Dissociation #Curve #pathophysiology
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... Decreased Fetal O2 ... Maternal Arterial O2 ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... Increased CO for O2 ... HeartFailure #CHF #Pathophysiology ... Diagnosis #cardiology #causes
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
oxygen (how much O2 ... oxygen (how much O2 ... - Insufficient O2 ... differential #diagnosis #causes ... #pathophysiology
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
Low O2 saturation ... to supplemental O2 ... pulse oximeter causes ... a falsely low O2 ... true decrease in O2