tachogram
the graphic record produced by tacho graphy.
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tachography
the recording of the movement and speed of the blood current.
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tachy-
word element. [Gr.] rapid, swift.
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tachyarrhythmia
tachycardia associated with an irregularity in the normal heart rhythm. Includes atrial tachycardia, sinus tachycardia, premature ventricular contractions, atrial flutter, atrial fibrillation and ventricular tachycardia.
re-entrant t. one caused by a depolarization wave crossing areas of nonuniform conduction and excitability.
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tachycardia
abnormally rapid heart rate.
atrial t. rapid contraction of the atrium arising from an ectopic focus in the atrium. The heart rate remains normal.
ectopic t. rapid heart action in response to impulses arising outside the sinoatrial node.
idioventricular t. one occurring as a compensation for a sinus bradycardia and A-V block.
junctional t. that arising in response to impuls... |
Tachyglossus
see echidna.
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Tachygonetria
a genus of oxyurid worms, in the superfamily Oxyuroidea, found in the large intestine of tortoises.
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tachymeter
an instrument for measuring rapidity of motion.
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tachyphagia
rapid eating.
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tachyphylaxis
1. rapid immunization against the effect of toxic doses of an extract by previous injection of small doses of it. 2. rapidly decreasing response to a drug or physiologically active agent after administration of a few doses.
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