Tachycardia, paroxysmal atrial
Paroxysmal atrial tachycardia .
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- Tachycardia, sinus
A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or sinus) node is the natural pacemaker of the heart. It is located in the wall of the right atrium (the right upper chamber of the heart). Normal cardiac impulses start there and are transmitted to the atria and down […]
- Tachycardia, ventricular
An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart. Although the beat is regular, ventricular tachycardia is life-threatening because it can lead to a dreaded condition, ventricular fibrillation. In ventricular fibrillation, the ventricles beat rapidly in a chaotic, purposeless fashion. The heart cannot pump blood effectively […]
- Tactile
Having to do with touch. For example, tactile signs of disease are signs that are perceptible by touch, such as roughness of the skin.
- Tactile device
A mechanical instrument that makes use of touch to help individuals who have certain disabilities, such as deaf-blindness, to communicate.
- Taenia
In medicine, taenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy, taenia refers to a band or a structural line and applies to several bands and lines of nervous matter in the brain. In Latin, taenia means a ribbon or tape. Taenia is also spelled tenia.