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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 ...
Việt-nam bách-khoa từ-điển (Encyclopedia of Vietnam), a set of encyclopedias with annotations in Chinese, English and French by Đào Đăng Vỹ, a Vietnamese scholar; published from 1959 to 1963 in Saigon, Republic of Vietnam. [3] [4]
The biological pacemaker is intended as an alternative to the artificial cardiac pacemaker that has been in human use since the late 1950s. Despite their success, several limitations and problems with artificial pacemakers have emerged during the past decades such as electrode fracture or damage to insulation , infection , re-operations for ...
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.
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.
The Cua language (also known as Bòng Mieu) is a Mon–Khmer language spoken in the Quảng Ngãi and Quảng Nam provinces of Vietnam. Cua dialects include Kol (Kor, Cor, Co, Col, Dot, Yot) and Traw (Tràu, Dong). Maier & Burton (1981) is currently the most extensive Cua dictionary to date.
Tiếng nói Việt Nam [33] Tuổi Trẻ [34] [35] Văn nghệ Quân đội [36] Y học Quân sự [37] Below is a list of websites published in Vietnam in alphabetical order. 24h.com.vn [38] Báo Mới [39] Báo Điện tử Chính phủ nước Cộng hòa Xã hội chủ nghĩa Việt Nam [40] Việt Báo [41] VietNamNet [42] Việt Nam ...