Increased heart rate. The opposite is Bradycardia.
An increase in the heart rate above normal.
Tachycardia is a heart rate that exceeds the normal range. In general, a resting heart rate over 100 beats per minute is accepted as tachycardia. Tachycardia can be caused by various factors that often are benign. However, tachycardia can be dangerous, depending on the speed and type of rhythm. Note that, if it is pathological, a tachycardia is mo...Found on http://en.wikipedia.org/wiki/Tachycardia
<clinical sign> The excessive rapidity in the action of the heart, the term is usually applied to a heart rate above 100 per minute and may be qualified as atrial, junctional (nodal) or ventricular and as paroxysmal. ... Origin: Gr. Kardia = heart ... (18 Nov 1997) ... Found on http://www.encyclo.co.uk/local/20973
(tachy- + Gr. kardia heart) excessive rapidity in the action of the heart; the term is usually applied to a heart rate above 100 per minute and may be qualified as atrial, junctional (nodal), or ventricular, and as paroxysmal.Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio85.html
(tak″ĭ-kahr´de-ә) abnormally rapid heart rate, usually taken to be over 100 beats per minute. adj., tachycar´diac., adj.Found on http://www.encyclo.co.uk/local/21001
(tak;u1-kar;de-ua) An excessively rapid heart rate, usually in excess of 100 beats per minute (in contrast to bradycardia, in which the heart rate is very slow).Found on http://www.mhhe.com/biosci/abio/glossary.mhtml
abnormally rapid heartbeat (over 100 beats per minute)Found on https://www.encyclo.co.uk/local/20974
a heart rate of more than 100 beats per minute. Tachycardia occurs normally during and after exercise or during emotional stress and represents no ... [2 related articles]Found on http://www.britannica.com/eb/a-z/t/2
A rapid heart beat
Found on http://www.dwp.gov.uk/medical/med_conditions/glossary.html
a rapid heart rate (over 100 beats per minute) Found on http://www.medichecks.com/glossary.cfm?ltr=T
A rapid heartbeat. (Read about 'Arrhythmia')Found on http://www.stayinginshape.com/3osfcorp/libv/h15.shtml
Abnormally fast heart rate.Found on http://www.thehorse.com/Glossary.xhtml?L=T
Abnormally fast heartbeat.
Found on http://www.swsbm.com/ManualsMM/MedHerbGloss2.txt
Abnormally rapid heart rate.
Found on http://www.gadsbywicks.co.uk/uploaded/3822.pdf
Accelerated beating of the heart. Paroxysmal tachycardia is a particular form of rapid heart action, occurring in seizures that may last from a few seconds to several days.Found on https://www.texasheart.org/heart-health/heart-information-center/topics/a-z
An abnormally fast heartbeat that exeeds 100 beats per minute. Narrower term(s): Fetal Tachycardia Paroxysmal Supraventricular Tachycardia Sinus TachycardiaFound on http://www.pregnology.com/Pregnancy-dictionary/
An abnormally rapid heart rate.Found on http://www.vetmed.wsu.edu/glossary/glossary.asp
An excessively fast heartbeat.Found on http://www.encyclo.co.uk/local/20423
an extremely rapid heart rate, usually signified by a pulse over 100 beats per minuteFound on http://www.ruf.rice.edu/~kemmer/Words04/usage/jargon_medical.html
excessive rapidity in the action of the heart. The term is usually applied to a heart rate above 100 per minute and may be qualified as atrial, junctional (nodal) or ventricular and as paroxysmal.Found on http://www.encyclo.co.uk/local/22239
Excessively rapid heartbeat.Found on https://www.stmaryhealthcare.org/cardiovascularglossaryofterms
is an abnormally high heart rate, usually over 100 beats per minute. An overactive thyroid may also cause it. See Supraventricular tachycardia. Compare Bradycardia.Found on http://www.encyclo.co.uk/local/20541
n. a rapid heart rateFound on http://www.avru.org/reference/reference_glossary.html
Rapid beating of the heart, usually defined as greater than 100 beats per minute.Found on http://www.cancer.gov/dictionary?expand=T
No exact match found