The concept of this projection is to clear the superimposing humeral heads of the cervical spine, the offset of the arms attempts to achieve this. the articular pillars and zygapophyseal joints are superimposed.the vertebral bodies are superimposed laterally.there should be a clear visualization of C7 to T1.anterior to the extent of the vertebral bodies.2.5 cm above the jugular notch at the level of T1.the opposite arm is placed by the patient's side, as posterior to the patient as possible (maintaining spinal precautions if they are in place).the arm closest to the detector is placed above the patient's head, resting on the head for support.the detector is placed running parallel to the long axis of the cervical spine.the patient is supine or erect, depending on trauma or follow up.It can help to visualize subluxation and fractures involving the inferior cervical spine, superior thoracic spine and adjacent soft tissue. MAHADEVAN: Thank you.This view is most often performed when a standard lateral view cannot image the cervicothoracic junction due to patients having a dense, muscular shoulder. That everything was OK, when in fact, there's a Have that view, you might be falsely reassured And so this isĮmergency department without seeing a specialist,Ī spine specialist. Is cause for trouble, because now you can goĪll the way down to seven. Swimmer's position, raise the arm from the direction And we would say, we can't drawĪny firm conclusions from that actually. So for example, thisĭo something useful, because you're not able to That you have the information to make a diagnosis on. ![]() Two big takeaways, at least from this little Injury like this, potentially, could injure your spinal cordĪnd lead to permanent paralysis or weakness. Right behind those bones is your spinal cord. Those vertebral bodies, if you were to connectĭraw a dotted line. Line along the anterior or the front of all Important finding there is, that as you draw a SAL KHAN: Three, oh, it'sĪ kind of a- oh, I see. MAHADEVAN: Same person- SAL KHAN: As this one, not MAHADEVAN: That wasĪ normal swimmer's view. Here, not this patient over here on the right. The same patient as this patient right over MAHADEVAN: Thisīefore, the swimmer's view, where you've got- SAL KHAN: This is View, as you've shown, we can't see that. There's something here that I can't really see. See that there's alignment right in front of- SAL KHAN: OK. MAHADEVAN: If you justĬontinue down right there. Interested is the alignment of the front of the Little bump that you can feel, if you press on the Numbers perfectly on every spinous process, the And then we startīack at one again, because we're starting with This counting system, we go one through seven. See the top of one, which comes- actually, in Now we can look at all the way through seven. And so you would call this isĪn adequate view for what we're trying- of the neck, because SAL KHAN: One, two, three,įour, five, six- yeah, we already got to six. And over here, itįacing in this direction. To the shoulder in a position, so it doesn't block like And you're taking it from theĭirection of the raised arm, on the side of raised arm. And in doing so, you kind ofĬlear that lower cervical spine and allow better visualization Over at the other film, it's what we callĪnd lower the other. MAHADEVAN: Īnd it's making it hard to see whether there's You can see that thatīig white thing there is the shoulder that's Really hard to see the squares of six and seven. Look at the fifth square there, below that it's ![]() Those are the actual vertebra,Įxactly, right there. We count even further forward from there. With back injuries saying, I have a problem in. SAL KHAN: Three,įour, five, and that's why you hear people, sometimes, MAHADEVAN: They'reĪctually facing the other way. Part of the cervical spine, shows cervical vertebra Looking at is the lateral, which shows essentially Looking at over here? What are we directly staring at? DR. The entire cervical spine, so you can make sure that The seventh cervical vertebra and the first thoracic vertebra. The first vertebra all way down to the junction of Spine or of your neck and try to determine whether Mahadevan, who's an ER physicianĪt Stanford.
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