1226 results
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Circulation - MCA ... - ACA - Lenticulostriate ... - ASA - PICA ... - AICA - ... PCA - Basilar
Stroke Territory Localization and Blood Vessel Supply
ACA (Anterior Cerebral Artery)
 - Leg weakness/numbness
MCA Superior Divison
 -
Vessel Supply ACA ... weakness/numbness MCA ... arm weak/numb MCA ... - No weakness MCA ... Global Aphasia ICA
Intracranial Hemorrhage (ICH) and Increased Intracranial Pressure (ICP) - Pathophysiology
ICH Management:
1. Manage Blood Pressure
  •
) - Pathophysiology ... ICH Management ... • Spontaneous ICH ... High ICP: 20. ... #Pathophysiology
Clinical Features and Vascular Territories of Stroke
Anterior circulation—anterior cerebral artery (ACA) - Contralateral leg weakness
Anterior circulation—middle
cerebral artery (ACA ... cerebral artery (MCA ... aphasia (left MCA ... apraxia (right MCA ... cerebral artery (PCA
RCA
LCA
CXA
LAD
Diagonal arteries
Marginal artery
PDA
Coronary Circulation (Normal type)
I CA
СХА
LAD
RCA
PDA
Left coronary artery
Circumflex artery (branch of LCA)
Left anterior descending (branch
RCA LCA CXA LAD ... Normal type) I CA ... СХА LAD RCA ... ) #RCA #LCA # ... CoronaryCirculation #ICA
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Cushing's Reflex - Pathophysiology ... BRADYCARDIA → ↑ ICP ... Cushings #Reflex #Pathophysiology
Obesity in the Critically Ill is quite the problem. It worsens the prognosis in our ICU
prognosis in our ICU ... illness #critical #pathophysiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
V-pacemaker, ↑K, ICD ... <300-360 ms: ↑ca ... antidepressants, TCA ... congenital, MI, high ICP
Atrioventricular Septal Defect
aka AV canal defect aka endocardial cushion defect
 • Epidemiology and Associations
 • Embryology
Physical Exam • Pathophysiology ... Post-Operative ICU
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... Phosphorus -> Ca-Phos ... urine pH) • Ca-Phos ... Syndrome #TLS #Pathophysiology