3644 results
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
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
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
perfusion to meet O2 ... diagnosis #algorithm #causes
An Approach to Acute Dyspnea

General Categories: Hypoxemia, Hypercapnia, Acidemia, Poor O2 Delivery (without hypoxemia),  Miscellaneous
Acidemia, Poor O2 ... ShortnessOfBreath #Table
Extubation Checklist Mnemonic - MASCOTS
M - Mechanism (Underlying mechanism improving)
A - Airway (Patent, difficult intubation)
S -
- Oxygenation (O2 ... stable) T - Tube ... feeds (Pause/suction ... (Sedation off, passes
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythropoietin, O2 ... Secreting Tumor - O2 ... Affinity Hemoglobin - O2 ... Diagnosis #Algorithm #Causes
Lactic Acidosis - Overview and Pathophysiology
Lactic acid is an endogenous substrate for gluconeogenesis, that is constantly
why LR does not cause ... TYPE A: Impaired O2 ... ) • Decreased O2 ... Delivery • Increased O2 ... TYPE B: Impaired O2
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
decreased unloading of O2 ... increased unloading of O2 ... #Differential #Causes
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
hypoxia - Increased O2 ... unable to use O2 ... O2 delivery to tissues
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
demand, decreased O2 ... SVR and altered O2 ... therefore inadequate O2 ... therefore inadequate O2 ... #differential #causes