Acute
Paroxysm means sudden attack.
The medical term for pertaining to a sudden occurrence is "acute." This term is commonly used to describe conditions or diseases that have a rapid onset and a short duration.
Angiospasm is sudden contraction of a blood vessel. In contrast, vasoconstriction is the normal process of contraction of a blood vessel.VasoconstrictionAngiospasm
malignant hypertension
Laryngospasmlaryng/o = larynx-spasm = sudden involuntary contractionLaryngeal spasm or laryngospasm means spasm of the larynx or voicebox.Laryngeospasm.
Syncope is the medical term meaning fainting.
Anacusis is the medical term meaning complete deafness.
Lamina is the medical term meaning layers.
Sensation is the medical term meaning feeling.
Paroxysmal nocturnal dyspnea is the medical term meaning sudden onset of shortness of breath at night. Sleep induced apnea is the condition of periods of cessation of breathing at night. Apnea literally means "without breath".
Eructation is the medical term meaning burping.eructation
Metastasize is the medical term meaning "to spread."