brady- +

(Greek: slow, slowness; delayed, tardy; a prefix used in the sense of being "abnormally slow")

bradyacusia (s) (noun), bradyacusias (pl)
An abnormal dullness or lack of hearing: Dr. Sneed concluded that the bradyacusia from which the patient was suffering was caused by a damaged nerve.
Any disturbance in the heart rhythm in which the ventricular-heart rate is abnormally slowed, usually to less than 60 beats per minute in an adult.
Abnormally slow speech due to disease or dysfunction of the nervous system.
1. A form of heterauxesis, or the disproportionate growth of a part in relation to another part, in which the part grows more slowly than the whole.
2. The slower growth of one part of a structure or organism compared with that of the whole structure or whole organism; a form of heterauxesis (an unequal growth of a cell, or of a part of a plant).
A slow heart rate, usually defined as less than 60 beats per minute.

This can occur in normal people, particularly during sleep; trained athletes also usually have slow pulse and heart rates.

Relating to, or characterized by, bradycardia (slowness of the heart beat).
bradycardiaphobia (s) (noun), bradycardiaphobias (pl)
A fear of one's heart beating extremely slow and therefore he or she being close to death: Pearl was told by her doctor that having bradycardiaphobia was not necessarily deadly, however it might be a secondary reaction that sometimes follows an initial phase of rapid heartbeats after a blood-injury.
A reference to bradycardia or an agent that acts to slow the pulse rate.
bradycinesia, bradykinesia, bradykinetic, bradypragia
1. Abnormal slowness of muscular movements, often associated with a diminution of the range of movement, typically seen in parkinsonism.
2. Slow or retarded muscular movement that may be organically or psychically determined. It is common in depressive states and is often observed in schizophrenia.
Pertaining to, characterized by, or inducing slowness of pulse.
Prolongation of the diastole (time in between ventricular, or muscular chambers, contractions) of the heart.
bradydysrhythmia, bradyarrhythmia (s) (noun); bradydysrhythmias, bradyarrhythmias (pl)
A disturbance of the heart beat, typically fewer than 60 beats per minute in the average adult: "The doctor used his stethoscope to listen to the bradydysrhythmia of the patient and then he decided to refer her to a cardiologist for a more exact examination and diagnosis."
A mild deafness (slow of hearing).
bradyesthesia (s) (noun), bradyesthesias (pl)
An abnormal slowness, or dullness, of sense perceptions: Due to extensive nerve damage on her hand, Mrs. Tilley experienced bradyesthesia and found it difficult to quickly distinguish between hot and cold surfaces.
The lengthening of certain stages in embryonic development.