0:01

So we looked at the three scenarios that are most

0:04

common for emergency department neuroimaging.

0:07

Those include a new neurologic, uh, deficit,

0:11

which we consider for TIA and stroke.

0:14

We look at head trauma with motor vehicle collisions,

0:17

and falls, and then we have the worst headache of life.

0:20

And we looked at many of the different etiologies for

0:23

a headache that you have to be considering.

0:25

Sometimes the patient is brought in from the

0:28

EMS with a history of "found down" or AMS (altered

0:33

mental status) or change in mental status.

0:36

These are patients that are unconscious,

0:38

or these are patients who are drug overdose patients,

0:41

or these are patients who have alcohol intoxication, and

0:44

then had seizures and are kind of confused after the

0:48

seizure, and you just don't get a good clinical history.

0:51

So there's lots of etiologies for this.

0:54

In addition, in the emergency room, you may be getting

0:57

cases from the floor that are sent down because

1:01

the patient up on the inpatient ward

1:03

suddenly has a change in mental status.

1:05

Most commonly, this is going to be

1:07

secondary to some medication that's being

1:10

put on or taken off, and the patients are

1:13

reactive, but they also get a non-contrast CT scan

1:17

to make sure that there's no intracranial

1:19

hemorrhage or any other problem with the patient.

1:22

Sometimes the patients are just unconscious.

1:24

We don't have any clinical history at all.

1:27

We don't have their name, we don't have their age,

1:30

and you're just reading the case effectively blindly.

Clinical Scenario 4: Found Down Introduction

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