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1-16 of 16
Keywords: syncope
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Articles
Philip L. Mar, Cyndya A. Shibao, Emily M. Garland, Bonnie K. Black, Italo Biaggioni, André Diedrich, Sachin Y. Paranjape, David Robertson, Satish R. Raj
Journal:
Clinical Science
Clin Sci (Lond) (2015) 129 (2): 107–116.
Published: 24 April 2015
... history of this disorder. autonomic failure orthostatic hypotension polyneuropathy syncope Neurogenic hyperadrenergic orthostatic hypotension (hyperOH) is neurogenic orthostatic hypotension (OH) that is associated with paradoxically elevated levels of norepinephrine (NE) (noradrenaline...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (2015) 129 (2): 169–178.
Published: 24 April 2015
...-body negative pressure (LBNP) until pre-syncope to inflict hypotension. End-tidal carbon dioxide was clamped at baseline levels (isocapnic trial) or uncontrolled (poikilocapnic trial). Middle cerebral artery (MCA) and posterior cerebral artery (PCA) blood velocities (transcranial Doppler; TCD), heart...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (2011) 121 (9): 389–396.
Published: 12 July 2011
..., and that vasodepression would be exaggerated by head-up tilt. We performed pulse contour analyses on blood pressure recordings during CSM in syncope patients during supine rest and head-up tilt. In a subset we simultaneously recorded muscle sympathetic nerve activity supine. During supine rest, systolic blood pressure...
Articles
C. T. Paul Krediet, Ingeborg K. Go-Schön, Yu-Sok Kim, Mark Linzer, Johannes J. Van Lieshout, Wouter Wieling
Journal:
Clinical Science
Clin Sci (Lond) (2007) 113 (10): 401–407.
Published: 12 October 2007
... (IOH) lower body muscle tensing posture pre-syncope syncope TLOC (transient loss of consciousness) is a common medical problem, usually caused by intermittent disturbances in neural BP (blood pressure) control [ 1 ]. One of its causes is IOH (initial orthostatic hypotension). IOH is defined...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (2007) 113 (9): 369–374.
Published: 01 October 2007
...: a single contraction of the calf muscles may eject 60% of the blood entered upon standing [ 8 ]. © The Authors Journal compilation © 2007 Biochemical Society 2007 autonomic nervous system orthostasis syncope strain gauge plethysmography venous compliance venous pooling...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (2007) 112 (3): 157–165.
Published: 03 January 2007
... finger blood pressure measurement during orthostatic stress compared to intra-arterial pressure, pp. 214–221, © (1990), with permission from the European Society of Cardiology. blood pressure dizziness initial orthostatic hypotension standing up syncope In 1927, Bjure and Laurell...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (2003) 105 (1): 119–126.
Published: 01 July 2003
...Giosuè GULLI; Victoria L. COOPER; Victoria CLAYDON; Roger HAINSWORTH 12 11 2002 26 2 2003 2 4 2003 2 4 2003 © 2003 The Biochemical Society 2003 baroreflex heart rate variability syncope vasovagal syndrome Correspondence: Dr Giosuè Gulli (e...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (2003) 104 (4): 329–340.
Published: 06 March 2003
...Julian M. STEWART; Amy WELDON Simple faint (neurocardiogenic syncope) and postural tachycardia syndrome (POTS) characterize acute and chronic orthostatic intolerance respectively. We explored the hypothesis that vascular function is similar in the two conditions. We studied 29 patients with POTS...
Articles
Elisabeth BELLARD, Jacques-Olivier FORTRAT, Daniel SCHANG, Jean-Marc DUPUIS, Jacques VICTOR, Georges LEFTHÉRIOTIS
Journal:
Clinical Science
Clin Sci (Lond) (2003) 104 (2): 119–126.
Published: 14 January 2003
...Elisabeth BELLARD; Jacques-Olivier FORTRAT; Daniel SCHANG; Jean-Marc DUPUIS; Jacques VICTOR; Georges LEFTHÉRIOTIS We determined whether early changes in central haemodynamics, as determined by transthoracic impedance, induced by a 70° head-up tilt (HUT) test could predict syncope. Heart rate...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (1997) 93 (3): 205–211.
Published: 01 September 1997
... responses on approach of an orthostatic faint is wide in the young. 8 1 1997 20 5 1997 © 1997 The Biochemical Society and the Medical Research Society 1997 cardiac output hypotension orthostasis syncope teenagers vasomotor system Clinical Science (1997) 93,205-21 I (Printed...
Articles
Wilbert T. Jellema, Ben P. M. Imholz, Jeroen Van Goudoever, Karel H. Wesseling, Johannes J. Van Lieshout
Journal:
Clinical Science
Clin Sci (Lond) (1996) 91 (2): 193–200.
Published: 01 August 1996
... and the Medical Research Society 1996 blood pressure hypotension stroke volume syncope Clinical Science (1996) 91, 193-200 (Printed in Great Britain) I93 Finger arterial versus intrabrachial pressure and continuous cardiac output during head-up tilt testing in healthy subjects Wilbert T. JELLEMA, Ben...
Articles
Lewis A. Lipsitz, Rene W. M. M. Jansen, Carolyn M. Connelly, Margaret M. Kelley-Gagnon, Anthony J. Parker
Journal:
Clinical Science
Clin Sci (Lond) (1994) 87 (2): 259–267.
Published: 01 August 1994
... hypotension. 2. Postprandial hypotension is a common disorder of blood pressure regulation in the elderly, associated with falls and syncope. The pathophysiological mechanism is thought to be related to impaired vascular compensation for splanchnic blood pooling after a meal. Since caffeine inhibits...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (1993) 85 (6): 695–700.
Published: 01 December 1993
...J. Timothy Lightfoot; Stuart A. Rowe; Suzanne M. Fortney 1. To determine whether activation of the left ventricular C-fibre mechanoreceptors initiates the vasodepressor reflex that often causes syncope, we exposed six orthotopic cardiac transplant patients and six matched, healthy control subjects...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (1989) 77 (5): 547–553.
Published: 01 November 1989
...M. M. A. E. Wahbha; C. A. Morley; Y. M. H. Al-Shamma; R. Hainsworth 1. This study was undertaken to determine whether, in a group of patients complaining of recurrent syncopal attacks but with no apparent cause, there was evidence of abnormal cardiovascular reflex control. 2. The steady-state...
Articles
Journal:
Clinical Science
Clin Sci (Lond) (1988) 74 (4): 347–350.
Published: 01 April 1988
...B. J. Robinson; R. H. Johnson 1. Syncopal or near syncopal episodes have been observed in five subjects who stood or were tilted and in whom blood samples were being taken. 2. In all subjects bradycardia and hypotension developed before the onset of symptoms. Increases in plasma adrenaline...
Articles
Journal:
Clinical Science
Clin Sci Mol Med (1976) 51 (3): 267–274.
Published: 01 September 1976
.... A striking increase of arginine vasopressin concentration was seen within 4 min of syncope, but there was no change of plasma osmolality, cortisol concentration or renin activity. 30 12 1975 © 1976 The Biochemical Society and the Medical Research Society 1976 plasma volume posture renin...