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The sinoatrial node (SA node) is the primary pacemaker of the heart. It is a region of cardiac muscle on the wall of the upper right atrium near to the superior vena cava entrance. The cells that make up the SA node are specialized cardiomyocytes known as pacemaker cells that can spontaneously generate cardiac action potentials.
The primary purpose of a pacemaker is to maintain an even heart rate, either because the heart's natural cardiac pacemaker provides an inadequate or irregular heartbeat, or because there is a block in the heart's electrical conduction system. Modern pacemakers are externally programmable and allow a cardiologist to select the optimal pacing ...
This page was last edited on 2 January 2015, at 22:11 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Brain pacemaker, a device to treat movement disorders, epilepsy, depression, or other conditions Cardiac pacemaker , cells within the heart that initiate contractions and set the pace of beating Diaphragmatic pacemaker , a device used to help patients breathe through pacing of the diaphragm
Pham Ngoc Thach University of Medicine is a public medical school in Ho Chi Minh City, Vietnam. It offers graduate and postgraduate education in medicine, health care staff training for the city. It was officially recognized as a University on 7/1/2008.
Following the increasing of Internet usage in Vietnam, many online encyclopedias were published. The two largest online Vietnamese-language encyclopedias are Từ điển bách khoa toàn thư Việt Nam, a state encyclopedia, and Vietnamese Wikipedia, a project of the Wikimedia Foundation.
An experimental Wikipedia edition in the obsolete chữ Nôm script began in October 2006 at the Wikimedia Incubator. [6] It was deleted in April 2010. [7] [non-primary source needed] The Vietnam Wikimedians User Group supports the development of the Vietnamese Wikipedia and other Vietnamese-language Wikimedia projects.
The Vietnam Academy of Science and Technology (VAST; Vietnamese: Viện Hàn lâm Khoa học và Công nghệ Việt Nam) is the largest and most prominent research institute in Vietnam. It was founded on 20 May 1975 as the Vietnam Academy of Science , then subsequently assumed its current name in 2008.