3381 results
Point of Care Ultrasound (POCUS) - Basics
Nomenclature:
 - Echogenicity = brightness
 - Hyperechoic = more echogenic
Care Ultrasound (POCUS ... than surrounding tissue ... to surrounding tissues ... than surrounding tissue ... Brightness of image #pocus
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Inadequate tissue ... Shock #Shock #Pathophysiology
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
supply at the tissue ... without hypoxemia - Tissues ... O2 delivery to tissues
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
O2 unloading to tissue ... O2 unloading to tissue ... Dissociation #Curve #pathophysiology
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Vasculitis + Tissue ... Vasculitis #HUV #Pathophysiology
Using Stroke Windows for Detecting Ischemia on Head CT
When evaluating a CT head for possible stroke,
for comparing tissues ... blood/lung vs soft tissue ... for comparing tissues ... (similar soft tissues
Pathogenesis and Pathophysiology of Diabetic Ketoacidosis (DKA)

DKA is a result of an absolute or relative insulin
Pathogenesis and Pathophysiology ... allows peripheral tissues ... details of the pathophysiology ... #Pathophysiology
Diabetes Pathophysiology and Medication Targets

The ominous octet is one concept that summarizes the different pathophysiologic pathways
Diabetes Pathophysiology ... the different pathophysiologic ... #Diabetes #Pathophysiology
Lipoprotein Metabolism

Enterocytes release absorbed lipids the form of triglyceride-rich chylomicrons. These are acted upon by endothelial
are stored in tissues ... blood and supply tissues ... Cholesterol #Metabolism #Pathophysiology
Insulin and Glucagon Pathophysiology
Insulin: 
 • Glucose utilization (Glycolysis)
 • Glucose storage (Glycogenesis)
 • Fat synthesis
Insulin and Glucagon Pathophysiology ... Glucose uptake in tissues ... Insulin #Glucagon #Pathophysiology