is the too-rapid beating of the heart. If the heart beats too rapidly it performs inefficiently and blood flow and blood pressure paradoxically are reduced.
Postural orthostatic tachycardia syndrome (POTS) is a form of tachycardia that occurs with a change in body position (eg, going from laying down to standing up) and which is generally due to dysautonomia.
Tachycardia is a general term that is applied in a lot of different contexts.
Most generally it means pathologically increased heart rate.
- Paroxysmal Tachycardia
- Supraventricular Paroxysmal Tachycardia (SVT)
- Ventricular Paroxysmal Tachycardia (VT)
Tachycardia, as applied in adult medicine, is defined as a resting heart rate of over 100 beats per minute (BPM).
See also : Cardiac arrhythmia