756 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
perfusion to meet O2 ... differential #diagnosis #algorithm ... #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
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
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
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... - Differential Algorithm ... Diagnosis #EM #IM #Causes ... #Nausea #Vomiting ... Differential #NonGI #Algorithm
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
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
COVID-19 RESPIRATORY PATHWAY ALGORITHM
Awake proning may help with oxygenation
Permissive hypoxemia, if closely monitored and in the
RESPIRATORY PATHWAY ALGORITHM ... Target O2 saturation ... RESPIRATORY #Support #ALGORITHM