7 cerebrovascular stroke Flashcards
prevention stroke
non-modifiable
modifiable
non-modifiable risks stroke
age 55 and over
indigenous Australian, new zealanders
family history
modifiable risks stroke
hypertension (primary) high cholesterol obesity diabetes smoking and drug and alchohol use cardiovascular disaese
what is stroke
Brain attack
sudden loss of function from a disruption of the blood supply to a part of the brain
types of stroke
ischaemic (80 to 85%)
haemmorrhagic(10-15%)
Ischaemic stroke
disruption of the blood supply due to an obstruction usually a thrombus or embolism, that causes infarction of brain tissue
types of ischaemic stroke
large artery thrombosis
small penetrating artery thrombosis
cardiogenic embolism
cryptogenic
signs of ischaemic stroke
symptoms deped upon size of the affected area
numbness or weaknesss of face , armor leg,epspecially on one side
confusion
trouble peakng
difficulty in wlaking, diziness or lossof balance or coordination
sudden or severe headache
perceptual disturbances
Transient ischaemic attack
temporary neuroogical deficit reuslting form a temporary impairment of blood flos
warning of an impending stroke
diagnostic workup is required to treat and prevent irreversible deficits
preventive treatment and secondary prevention of ischaemic stroke
health maintenace measures including healthy diet, exercise and the prevention and treatment of periodontal disease carotid endarterectomy anticoagulant therapy antiplatelet therapy statin antihypertensive medications
prompt diagnosis of acute-pahse stroke
CT scan
continuous monitoring and neurologicl assessment
prompt diagnosis of acute-pahse stroke
Thrombolytic therapy
elevate HOB unless contraindicated
maintain airway and ventilation
endovasculaty therapy
thrombolytic therapy stroke
criteria rt-Pa
IV dosage and administration
patient monitring
side effects- potential bleeding