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Stroke - Coggle Diagram
Stroke
Carotid stenosis
Plaque narrows common carotid artery
Reduced blood flow to brain
Left-side atrial fibrillation
insufficient chamber contraction
Statis & clotting of blood
clot travels to middle cerebral artery
brain tissue ischemia & infarction
Cerebral arteriosclerosis
Diminished cerebral blood flow
Neurons in core area of ischemia progress to infarction
Anoxic cephalopathy
Ischemic penumbra becomes hypoperfused
Cerebral edema occurs
Pressure on brain extends into foramen magnum
Cushing's triad: pressure on brainstem
Bradycardia
Hypertension
Bradypnea or irregular respirations