224 results
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 ... differential #diagnosis #comparison
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
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 ... CTHead #diagnosis #comparison
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
Clamp Types - Common Surgical Instruments
Also called locking forceps, these are ratcheted instruments used to hold
instruments used to hold tissue ... used to grasp tissue ... grasping larger tissues ... clamp used to hold tissue ... instruments #types #comparison
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
ADH (SIADH) - Comparison ... Insipidus #SIADH #Comparison ... #Table #Pathophysiology
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
Non-Traumatic Monocular Vision Loss - Open and Closed Angle Glaucoma Anatomy and Presentation
#Diagnosis #Pathophysiology #Ophthalmology #Open
Presentation #Diagnosis #Pathophysiology ... Angle #Glaucoma #Comparison
Posterior chamber pathology comparison on Ocular POCUS:
- vitreous hemorrhage
- vitreous detachment
- retinal detachment

#Posterior #chamber #pathology #Ocular
chamber pathology comparison ... on Ocular POCUS ... pathology #Ocular #POCUS ... Detachment #Hemorrhage #Comparison