| IC | icteric, icterus; immune complex; immunoconjugate; immunocytochemistry; immunocytotoxicity; impedanc... |
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| IMV | inferior mesenteric vein; intermittent mandatory ventilation; intermittent mechanical ventilation; i... |
| IPD | idiopathic Parkinson disease; idiopathic protracted diarrhea; immediate pigment darkening; increase ... |
| SIMV | synchronized intermittent mandatory ventilation; synchronized intermittent mechanical ventilation |
| PASG | pneumatic antishock garment |
| spontaneous intermittent mandatory ventilation | Intermittent mandatory ventilation spontaneously initiated by the patient, to increase tidal volume, and subsequently synchronised with patient's respiratory cycle. Synonym: synchronised intermittent mandatory ventilation. (05 Mar 2000) |
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| synchronised intermittent mandatory ventilation | Intermittent mandatory ventilation spontaneously initiated by the patient, to increase tidal volume, and subsequently synchronised with patient's respiratory cycle. Synonym: synchronised intermittent mandatory ventilation. (05 Mar 2000) |
| intermittent | Occurring at separated intervals, having periods of cessation of activity. (18 Nov 1997) |
| intermittent acute porphyria | <gastroenterology, haematology> A group of rare inherited metabolic disorders that result from a disturbance in porphyrin metabolism, causing increased formation and excretion of porphyrin or its precursors. It is caused by hepatic overproduction of d-aminolevulinic acid, which has greatly increased urinary excretion and of porphobilinogen, and some increase of uroporphyrin, due to a deficiency of porphobilinogen deaminase. Clinical features: intermittent acute attacks of hypertension, abdominal colic, psychosis, and polyneuropathy, but with no photosensitivity. It is exacerbated by the ingestion of certain drugs such as; barbiturates). Inheritance: autosomal dominant. (20 Sep 2002) |
| intermittent albuminuria | <nephrology> Functional albuminuria occurring at intervals, such as cyclic albuminuria or albuminuria of athletes. (05 Mar 2000) |
| intermittent arthralgia | A condition in which pain and swelling of one or more joints, most commonly the knee, occurs at regular intervals; there is sometimes abdominal pain, purpura, or oedema. Synonym: intermittent arthralgia. (05 Mar 2000) |
| intermittent claudication | <symptom> A symptom complex characterised by leg pain and weakness brought on by walking, with the disappearance of the symptoms following a brief rest. (12 Dec 1998) |
| intermittent cramp | 1. Hyperexcitability of nerves and muscles due to decrease in concentration of extracellular ionised calcium, which may be associated with such conditions as parathyroid hypofunction, vitamin D deficiency and alkalosis or result from ingestion of alkaline salts, it is characterised by carpopedal spasm, muscular twitching and cramps, laryngospasm with inspiratory stridor, hyperreflexia and choreiform movements. 2. Tetanus. (18 Nov 1997) |
| intermittent explosive disorder | <psychology> An uncommon disorder that begins in early childhood, characterised by repeated acts of violent, aggressive behaviour in otherwise normal persons that is markedly out of proportion to the event that provokes it. Synonym: dyscontrol, episodic dyscontrol syndrome. (05 Mar 2000) |
| intermittent haemoglobinuria | <nephrology> Recurrent episodic attacks of haemoglobinuria characteristic of paroxysmal nocturnal haemoglobinuria or paroxysmal cold haemoglobinuria. (05 Mar 2000) |
| intermittent malarial fever | See: intermittent malaria. (05 Mar 2000) |
| intermittent mandatory ventilation | Mechanical application of positive pressure at a predetermined frequency to the airway to increase tidal volume. (05 Mar 2000) |
| intermittent positive-pressure breathing | Application of positive pressure to the inspiratory phase of spontaneous respiration. See: controlled mechanical ventilation (12 Dec 1998) |
| intermittent positive-pressure ventilation | Application of positive pressure to the inspiratory phase when the patient has an artificial airway in place and is connected to a ventilator. See: controlled mechanical ventilation (12 Dec 1998) |
| intermittent pulse | Irregularity of the heart due to extrasystoles which are too weak to open the semilunar valves; often owing to the long pause following the premature beat, extra long pauses equal to two regular cycles occur from time to time between pulse beats. Synonym: pulsus intercidens. (05 Mar 2000) |