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  2. Coronary circulation - Wikipedia

    en.wikipedia.org/wiki/Coronary_circulation

    Coronary circulation is the circulation of blood in the arteries and veins that supply the heart muscle (myocardium). Coronary arteries supply oxygenated blood to the heart muscle.

  3. Heart - Wikipedia

    en.wikipedia.org/wiki/Heart

    The heart is a muscular organ found in humans and other animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2]

  4. Heart valve - Wikipedia

    en.wikipedia.org/wiki/Heart_valve

    A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart.A mammalian heart usually has four valves. Together, the valves determine the direction of blood flow through the heart.

  5. Cardiac cycle - Wikipedia

    en.wikipedia.org/wiki/Cardiac_cycle

    The cycle diagram depicts one heartbeat of the continuously repeating cardiac cycle, namely: ventricular diastole followed by ventricular systole, etc.—while coordinating with atrial systole followed by atrial diastole, etc.

  6. Heart sounds - Wikipedia

    en.wikipedia.org/wiki/Heart_sounds

    The first heart sound, or S 1, forms the "lub" of "lub-dub" and is composed of components M 1 (mitral valve closure) and T 1 (tricuspid valve closure). Normally M 1 precedes T 1 slightly.

  7. Heart rate - Wikipedia

    en.wikipedia.org/wiki/Heart_rate

    A medical monitoring device displaying a normal human heart rate. Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm).

  8. National Heart Institute (Malaysia) - Wikipedia

    en.wikipedia.org/wiki/National_Heart_Institute...

    Institut Jantung Negara Sdn Bhd (also known as National Heart Institute; abbreviation IJN), is a heart surgery centre in Jalan Tun Razak, Kuala Lumpur, Malaysia. IJN was founded in 1992 under Prime Minister Mahathir Mohamad tenure.

  9. Radio Televisyen Malaysia - Wikipedia

    en.wikipedia.org/wiki/Radio_Televisyen_Malaysia

    Radio Televisyen Malaysia (English: Radio Television of Malaysia, Jawi: راديو تيليۏيشن مليسيا ‎; abbreviated as RTM, stylised as rtm), also known as the Department of Broadcasting, Malaysia (Malay: Jabatan Penyiaran Malaysia; Jawi: جابتن ڤڽيارن مليسيا ‎) is the national public broadcaster of Malaysia, headquartered at Angkasapuri, Kuala Lumpur.