Patients with symptoms of TIA or minor stroke are at a cumulative recurrent risk of a stroke due to large-vessel disease at 7 days up to 3 months following symptoms.

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Which of the following is The American Institute of Ultrasound in Medicine (AIUM) clinical applications of the intracranial ultrasound?

A 75-year-old male smoker with arterial hypertension is in the ER with a history of blindness in the left eye and weakness on the right side of the body, both lasting only a few minutes 2 days ago, then he recovered completely. Which of the following is correct?

The possible extent of dissection and difficulty of imaging the proximal and very distal arteries with ultrasound means that alternative imaging is usually required to confirm the diagnosis.

The circle of Willis provides communication between the internal carotid, ———, and vertebrobasilar systems.

The circle of Willis provides communication between the internal carotid, external carotid, and vertebrobasilar systems.

All of the following statements concerning dissociation constant (pKa) are correct except one. Which statement is INCORRECT?

Nerve fiber type _____, the smallest and the most numerous nerve fiber, is responsible for what type of pain?

Which anesthetic drug has the shortest half-life and is a good choice when additional anesthesia is needed later in an appointment?