2653 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 ... • Spontaneous ICH ... blood volume and ICP ... if needed ICP ... High ICP: 20.
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
ICU Hypotension - Evaluation Algorithm

OFTEN Mnemonic:

OWN THE PULSE PRESSURE 

FEEL YOUR PATIENT'S LEGS 

TEST FOR FLUID
ICU Hypotension ... RESPONSIVENESS ECHO/POCUS ... MD @vmoitra #ICU
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
Antiarrhythmic Drug Classes 
IA: "Police Department Questions 
IB: Liquored Man 
IC: For Peeing, 
Ill: After Drinking
Drug Classes IA ... Liquored Man IC ... Dirty Vehicle" IA ... Lidocaine Mexiletine IC
Important Blood Pressure Targets in the ED
Subarachnoid Hemorrhage: 
    SBP < 140 -
raised ICP: MAP ... 80 Spontaneous ICH ... raised ICP: MAP ... raised ICP: MAP
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... interval Class IA ... quridine) Class IC