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Validity and reliability of the Apple Watch for measuring heart rate during exercise (2017)
Journal Article
Khushhal, A., Nichols, S., Evans, W., Gleadall-Siddall, D., Page, R., O'Doherty, A. F., …Abt, G. (2017). Validity and reliability of the Apple Watch for measuring heart rate during exercise. SMIO / Sports Medicine International Open, 1(6), (E206-E211). doi:10.1055/s-0043-120195. ISSN 2367-1890

We examined the validity and reliability of the Apple Watch heart rate sensor during and in recovery from exercise. Twenty-one males completed treadmill exercise while wearing two Apple Watches (left and right wrists) and a Polar S810i monitor (crite... Read More

A clinician's guide to cardiopulmonary exercise testing 2: test interpretation (2015)
Journal Article
Nichols, S., Taylor, C., & Ingle, L. (2015). A clinician's guide to cardiopulmonary exercise testing 2: test interpretation. British journal of hospital medicine, 76(5), 281-289. doi:10.12968/hmed.2015.76.5.281

Data obtained from cardiopulmonary exercise testing offer additional interpretive power over conventional exercise tolerance testing. When used correctly, these data allow improved clinical decision making in patients with cardiometabolic and respira... Read More

A clinician's guide to cardiopulmonary exercise testing 1: An introduction (2015)
Journal Article
Nichols, S., Taylor, C., & Ingle, L. (2015). A clinician's guide to cardiopulmonary exercise testing 1: An introduction. British journal of hospital medicine, 76(4), 192-195. doi:10.12968/hmed.2015.76.4.192

Compared to standard exercise tolerance testing, cardiopulmonary exercise testing is a reliable and powerful tool that can be used for risk stratification, exercise prescription and clinical diagnosis.

Variability of automated carotid intima-media thickness measurements by novice operators (2014)
Journal Article
Nichols, S., Milner, M., Meijer, R., Carroll, S., & Ingle, L. (2016). Variability of automated carotid intima-media thickness measurements by novice operators. Clinical physiology and functional imaging, 36(1), 25-32. doi:10.1111/cpf.12189

Carotid intima-media thickness (C-IMT) measurements provide a non-invasive assessment of sub-clinical atherosclerosis. The aim of the study was to assess the inter- and intra-observer variability of automated C-IMT measurements undertaken by two novi... Read More