Monday, September 5, 2016

Step 2 CK: Diagnosis of aortic dissection

I'll keep this post short and point wise.

Best initial: Chest x-ray (CXR).
Shows widened mediastinum.

Most accurate: Angiogram aka aortography. 
Most invasive with potential allergic complications.

"Next best step in diagnosis after CXR?"
CT angiography = TEE = MR angiography.
There's no difference in the accuracy of CTA, MRA or TEE.

TEE is preferred in unstable patients because MRI and CT are time consuming.
TEE is also preferred in patients with deranged RFTs.

Source: MTB and friends.

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