Lynne Armstrong

Choice of imaging modality for the investigation of pulmonary embolism in pregnancy

It is a familiar request on call: A pregnant woman presenting with chest pain and tachycardia – a pulmonary embolism (PE) needs to be excluded. Increasing requests for imaging in this context are unavoidable as PE remains a leading cause of mortality in pregnancy and the post-partum period in the developed world, with an approximate […]

Dr Lynne Armstrong, Dr Andrew Beale

United Hospitals Bristol, Great Western Hospital

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Time-resolved angiography for the assessment of central venous anatomy and patency

Time-resolved angiography with interleaved stochastic trajectories (TWIST) is a magnetic resonance angiography (MRA) technique which creates a series of rapid multiplanar data sets with good spatial resolution. Rapid successive measurements enabled by temporal acceleration reduce the reliance on precision of bolus timing to ensure maximum intravenous contrast within the vascular system. This imaging technique generates […]

Dr Lynne Armstrong, Christopher B Lawton, Dr Nathan Manghat

Bristol Heart Institute, Bristol Royal Infirmary

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