STROKE Flashcards
WHY DOES A STROKE OCCUR
WHEN AN ARTERY SUPPLYING THE BRAIN WITH BLOOD EITHER BECOMES BLOCKED OR BEGINS TO BLEED - CAUSING DEATH OF CNS NEURONS
WHAT AGE GROUP DOES STROKE MOST COMMONLY AFFECT
60+
T OR F STROKE IS THE LEADING CAUSE OF DISABILITY
TRUE
WHAT PERCENT OF STROKE SURVIVORS SUFFER A DISABILITY
65%
T OR F STROKE KILLS MORE WOMEN THAN BREAST CANCER AND MORE MEN THAN PROSTATE CANCER
TRUE
WHAT PERCENT OF STROKES CAN BE PREVENTED
80%+
WHAT ARE THE 3 NON MODIFIABLE RISK FACTORS OF A STROKE
GENDER, AGE, GENETICS
WHAT ARE SOME MODIFIABLE RISK FACTORS FOR STROKE
HIGH BP
CIGARETTE SMOKING
DIABETES
HIGH CHOLESTEROL
HEAVY DRINKING AND SMOKING
POOR DIET
LACK OF EXERCISE
OBESITY
ATRIAL FIBRILATION
WHAT ARE THE TWO CLASSIFICATIONS OF A STROKE
ISCHAEMIC AND HEMORRHAGIC
WHAT IS THE PERCENTAGE DISTRIBUTION FOR PREVALENCE OF ISCHAEMIC VS HEMORRHAGIC STROKE
I = 85%
H = 15%
WHAT IS THE DEFINITION OF A ISCHAEMIC STROKE
LOWERED BLOOD SUPPLY TO AN AREA OF THE BAIN THAT RESULTS IN HYPOPERFUSION, HYPOXIA, NEURONAL NECROSIS
WHAT ARE THE MECHANISMS OF AN ISCHAEMIC STROKE
EMBOLISM (BLOOD VLOT FROM SOMEWHERE ELSE THAT TRAVELLED), THROMBOSIS (BLOOD CLOT FORMED LOCALLY)
SYSTEMIC HYPOPERFUSION
WHAT IS A TRANSIENT ISCHEMIC ATTACK
A TRANSIENT EPISODE OF NEUROLOGICAL DYSFUNCTION CAUSED BY FOCAL BRAIN ISCHEMIA
WHAT ARE THE GENERALISED S/S OF ISCHEMIC STROKE (RAISED INTRACRANIAL PRESSURE)
HA, SEIZURES, LOSS OF CONCIOUSNESS
WHAT ARE THE FOCAL S/S OF AN ISCHEMIC STROKE (CNS TISSUE DEATH/DYSFUNCTION)
UNILATERAL:
FACIAL DROOPING
ARM WEAKNESS
SPEECH DIFFICULTIES
