$Calcium equally increases the internal calcium recirculation fraction before and after beta-blockade in canine left ventricles$

Calcium equally increases the internal calcium recirculation fraction before and after beta-blockade in canine left ventricles

We studied whether intracoronary Ca administration after beta-blockade would increase the internal Ca recirculation fraction (RF) analogously to the Ca administration before beta-blockade. This was performed in excised cross-circulated canine hearts. We analyzed the exponential decay component of th...

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Veröffentlicht in:	Heart and vessels 1997-01, Vol.12 (6), p.280-286
Hauptverfasser:	Hosogi, S, Araki, J, Syuu, Y, Suzuki, S, Mohri, S, Mikane, T, Matsubara, H, Ohe, T, Hirakawa, M, Suga, H
Format:	Artikel
Sprache:	eng
Schlagworte:	Adenosine Monophosphate - metabolism Adrenergic beta-Antagonists - pharmacology Alternan Animals Arrhythmias, Cardiac - drug therapy Arrhythmias, Cardiac - metabolism Arrhythmias, Cardiac - physiopathology Calcium Calcium - administration & dosage Calcium - pharmacokinetics Calcium Channels - drug effects Calcium Channels - metabolism Contractility Coronary Vessels Cyclic AMP Decay Disease Models, Animal Dogs Electrocardiography - drug effects Heart Heart Ventricles - drug effects Heart Ventricles - metabolism Heart Ventricles - physiopathology Injections, Intra-Arterial Myocardial Contraction - drug effects Phosphorylation Propranolol Propranolol - pharmacology Time constant Ventricle
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