(n.) That part which embraces the main action of a play, poem, and the like, and leads on to the catastrophe; -- opposed to protasis.
(n.) The period of violence in a fever or disease; paroxysm.
Example Sentences:
Paroxysm
Definition:
(n.) The fit, attack, or exacerbation, of a disease that occurs at intervals, or has decided remissions or intermissions.
(n.) Any sudden and violent emotion; spasmodic passion or action; a convulsion; a fit.
Example Sentences:
(1) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
(2) Electrophysiologic studies are indicated in patients with sustained paroxysmal ventricular tachycardia, ventricular fibrillation or aborted sudden death.
(3) Pheochromocytoma may present without the typical features of paroxysmal or sustained hypertension, headache, increased sweating, and palpitations.
(4) The patients who had little or no paroxysmal activity during sleep were the youngest.
(5) Following a midcollicular transection the paroxysmal bulbar activity abruptly disappeared.
(6) We speculate that this paroxysmal activity is a type of seizure discharge.
(7) Hemimasticatory spasm is a rare disorder of the trigeminal nerve that produces involuntary jaw closure due to paroxysmal unilateral contraction of jaw-closing muscles.
(8) The first patient had paroxysmal headaches from an arteriovenous malformation which resolved following embolization.
(9) A diagnosis of paroxysmal nocturnal hemoglobinuria may be suggested with magnetic resonance imaging, based on the massive renal cortical hemosiderosis that occurs in this disease.
(10) In all patients, the nystagmus elicited during the paroxysm was compatible with excitation of the posterior semicircular canal.
(11) The administration of vitamin E, a natural antioxidant, to a patient with paroxysmal nocturnal haemoglobinuria (PNH) failed to diminish the urinary excretion of 59-Fe as monitored by 59-Fe whole body counting and urinary loss of isotope.
(12) Single or repetitive supraventricular premature beats were found in 65 (41%), paroxysmal atrial or junctional tachycardias in 20 (12%), bouts of atrial flutter or fibrillation in 3 (2%).
(13) A 16 year old white female presented with paroxysmal cough and hemoptysis of recent onset.
(14) The effectiveness and electrophysiologic mechanisms of antiarrhythmic effect of digoxin were examined in 27 patients with paroxysmal atrioventricular nodal reciprocal tachycardia (PAVNRT) and supraventricular tachycardia (SVT) due to latent complementary conductive pathways, i. e. latent Wolff-Parkinson-White (WPW) syndrome.
(15) It thus appears that paroxysmal, vagally mediated complete AV block should be seriously considered in patients with unexplained syncope.
(16) In 13 cases of infantile spasms whose EEG showed hypasrhythmia, paroxysmal discharges were completely or remarkably suppressed in 4 cases, partially suppressed in 3 cases, but not improved in 6 cases.
(17) The majority were abnormal, and those from patients with intracranial pathology often showed asymmetry of delta activity and paroxysmal discharges.
(18) We report on 2 patients with a history of paroxysmal supraventricular tachycardia in whom 2:1 AV block with persistence of the arrhythmia was documented.
(19) Because of paroxysmal atrial fibrillation and fatigue, the patient underwent investigation.
(20) Both paroxysmal atrial tachycardia (PAT) and left ventricular dysfunction were reversed with administration of digoxin and propranolol hydrochloride.