A 70-year-old man presents 45 minutes after sudden onset right-sided weakness and aphasia. CT head shows no haemorrhage. There are no contraindication...

Question

A 70-year-old man presents 45 minutes after sudden onset right-sided weakness and aphasia. CT head shows no haemorrhage. There are no contraindications to thrombolysis. According to current stroke guidelines used in Canada, what is the most appropriate reperfusion therapy?

Accepted Answer

Administer intravenous alteplase within 4.5 hours of onset

Answer

Administer intravenous alteplase only if within 1 hour of onset

Answer

Withhold thrombolysis and start aspirin 160 mg only

Answer

Wait for MRI to confirm infarct before considering reperfusion

Answer

Avoid thrombolysis in adults over 65 years

ca-mccqe1 MCQ (SBA): Acute ischaemic stroke thrombolysis

A 70-year-old man presents 45 minutes after sudden onset right-sided weakness and aphasia. CT head shows no haemorrhage. There are no contraindications to thrombolysis. According to current stroke guidelines used in Canada, what is the most appropriate reperfusion therapy?