BÉBAROVÁ, Markéta, Peter MATEJOVIČ, Michal PÁSEK, Milena ŠIMURDOVÁ and Jiří ŠIMURDA. Effect of Ajmaline on Action Potential and Ionic Currents in Rat Ventricular Myocytes with Focus on Transient Outward Current. In The 29th meeting of the European Working Group of Cardiac Cellular Electrophysiology, Antwerp (Belgium), 9. – 11. 9. 2005. 2005.
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Basic information
Original name Effect of Ajmaline on Action Potential and Ionic Currents in Rat Ventricular Myocytes with Focus on Transient Outward Current
Authors BÉBAROVÁ, Markéta (203 Czech Republic, guarantor, belonging to the institution), Peter MATEJOVIČ (703 Slovakia, belonging to the institution), Michal PÁSEK (203 Czech Republic), Milena ŠIMURDOVÁ (203 Czech Republic, belonging to the institution) and Jiří ŠIMURDA (203 Czech Republic, belonging to the institution).
Edition The 29th meeting of the European Working Group of Cardiac Cellular Electrophysiology, Antwerp (Belgium), 9. – 11. 9. 2005, 2005.
Other information
Original language English
Type of outcome Presentations at conferences
Field of Study 30105 Physiology
Country of publisher Belgium
Confidentiality degree is not subject to a state or trade secret
RIV identification code RIV/00216224:14110/05:00047843
Organization unit Faculty of Medicine
Keywords in English ajmaline; ionic current; transient outward potassium current; rat cardiomyocytes
Tags International impact
Changed by Changed by: doc. MUDr. Markéta Bébarová, Ph.D., učo 15000. Changed: 26/4/2011 14:12.
Abstract
We conclude that ajmaline is a potent blocker of IK(ATP), INa and Ito. In rat ventricular myocytes, block of INa is responsible for the decrease in upstroke velocity and the decline in AP amplitude. The main determinant of AP prolongation is block of Ito. Ajmaline is an open state blocker of Ito with fast recovery kinetics manifested in frequency independence of block.
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MSM0021622402, plan (intention)Name: Časná diagnostika a léčba kardiovaskulárních chorob
Investor: Ministry of Education, Youth and Sports of the CR, Early diagnostics and treatment of cardiovascular diseases
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