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CT ANGIOGRAPHY CHEST/ABDOMEN

INDICATIONS

INDICATIONS (1-3)

  • Aortic Dissection

  • Pulmonary AVM suspected

  • Transcatheter aortic valve replacement planning and follow up

  • Haemoptysis, massive, life threatening

  • Polytrauma

  • Thoracic aortic dissection suspected and for follow up known dissection

Pathology Demonstrated

PATHOLOGY DEMONSTRATED (1-3)

  • AVM

  • Aortic dissection

  • Thoracic haemorrhage

  • Haemothorax

  • Fracture/dislocations

Patient Preparation

PATIENT PREPARATION

  • Patient able to lie still for ten minutes

  • Not claustrophobic (sedation may be given)

  • Cognitively capable of following basic instructions

  • Metal artefacts removed from the region of interest, including bras and necklaces

  • No respiratory distress when lying supine

  • Not allergic to Iodine based Contrast

  • No known kidney disease (eGFR below 30 as per RANZCR), however, acute setting consultant may sign to continue with poor renal function

  • No hyperthyroidism, may induce thyroid storm

  • Patient to have 18G cannula in anterior cubital fossa to enable a 7ml/s flow rate (20G cannula acceptable if flushing to 5ml/s).

  • Preferably patient fasted for 4 hours

ANATOMY INCLUDED

ANATOMY INCLUDED
 

Chest/Abdomen Angiogram (Axial)
Chest/Abdomen Angiogram  (Coronal)
Chest/Abdomen Angiogram (Sagittal)

REFERENCES

1. American College of Radiology (ACR). Appropriateness Criteria. [Internet]. 2022 [Updated 2021, cited 10 Aug 2022]. Available from https://www.acr.org/Clinical-Resources/ACR-Appropriateness-Criteria​

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2. Radiopaedia. CT Angiography of the Chest (protocol) [Internet]. 2008 [updated 6 June 2021, cited 23 Aug 2022]. Available from https://radiopaedia.org/articles/ct-angiography-of-the-chest-protocol?lang=gb​

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3. Radiopaedia. Aortic Dissection [Internet]. 2008 [updated 5 Oct 2022, cited 9 Oct 2022]. Available from https://radiopaedia.org/articles/aortic-dissection?lang=gb

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