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heart rate


HEART RATE



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Rapid Nicotine Clearance is Associated with Greater Reward and Heart Rate Increases from Intravenous Nicotine

M Sofuoglu, AI Herman, H Nadim... - ..., 2012 - Abstract The ratio of nicotine metabolites (trans-3′-hydroxycotinine (3HC) to cotinine) correlates with nicotine clearance. In previous studies, high nicotine metabolite ratio (NMR) predicted poor outcomes for smoking cessation treatment with nicotine patch. The ...

Heart Rate Recovery Predicts Clinical Worsening in Patients with Pulmonary Arterial Hypertension

OA Minai, R Gudavalli, S Mummadi... - American Journal of ..., 2012 - Am Thoracic Soc Abstract Rationale: Reduced heart rate recovery after exercise is associated with increased mortality in cardiopulmonary diseases. Objectives: We sought to evaluate the association between heart rate recovery at 1 minute of rest (HRR1) after 6-min walk test (6MW test) ...

The phenomenon of “QT stunning”: The abnormal QT prolongation provoked by standing persists even as the heart rate returns to normal in patients with long QT ...

A Adler, C van der Werf, P Postema, R Rosso... - Heart Rhythm, 2012 - Elsevier Background Patients with long QT syndrome (LQTS) have inadequate shortening of the QT interval in response to the sudden heart rate accelerations provoked by standinga phenomenon of diagnostic value. We now validate our original observations in a cohort ...

Of larks and hearts-morningness/eveningness, heart rate variability and cardiovascular stress response at different times of day.

K Roeser, F Obergfell, A Meule, C Vgele... - Physiology & ..., 2012 - Inter-individual differences in the circadian period of physical and mental functions can be described on the dimension of morningness/eveningness. Previous findings support the assumption that eveningness is related to greater impulsivity and susceptibility to stress ... [CITATION] Preinjury Beta Blocker Usage does not Affect the Heart Rate Response to Initial Trauma Resuscitation J Havens, X Gu... - Journal of Surgical Research, 2012 - Elsevier

Regulation of β-adrenergic control of heart rate by GTP-cyclohydrolase 1 (GCH1) and tetrahydrobiopterin

D Adlam, N Herring... - Cardiovascular ..., 2012 - Aims Clinical markers of cardiac autonomic function, such as heart rate and response to exercise, are important predictors of cardiovascular risk. Tetrahydrobiopterin (BH4) is a required cofactor for enzymes with roles in cardiac autonomic function, including tyrosine ...

Gender-specific trends in heart rate in the general population from 1992–2007: a study of 226,288 French adults

M Plichart, F Thomas, JP Empana... - European Journal of ..., 2012 - Objectives: Heart rate (HR) has been associated with cardiovascular (CV) risk factors and with CV mortality. Trends in CV risk factors have been described in recent decades, but HR changes over time have been less studied. We thus aimed to examine the secular trends ... [HTML]
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