| injections, intraventricular | Injections into the cerebral ventricles. (12 Dec 1998) |
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| intraventricular | Injection into a ventricle. (16 Dec 1997) |
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| intraventricular block | Delayed conduction within the ventricular conducting system or myocardium, including bundle-branch, peri-infarction blocks, the fascicular blocks, excitation, and the W-P-W (pre-expectation) syndrome. (05 Mar 2000) |
| intraventricular conduction | Conduction of the cardiac impulse through the ventricular myocardium, represented by the QRS complex in the electrocardiogram. H-R conduction time is from the onset of the first high frequency component of the His bundle electrogram to the onset of the QRS complex of the surface electrocardiogram (normally 43 ± 12 msec); H-V conduction time is from the onset of the first high frequency component of the His bundle electrogram to the onset of the ventricular electrogram (normally approximates the H-R interval but may be a little shorter). Synonym: ventricular conduction. (05 Mar 2000) |
| intraventricular haemorrhage | Extravasation of blood into the ventricular system of the brain. Grade Description, I GMH (bleed limited to germinal matrix), II GMH/IVH, without ventricular dilatation, III GMH/IVH leading to acute ventricular dilatation, IV GMH/IVH leading to extention into adjacent brain (21 Jun 2000) |
| intraventricular injection | The introduction of materials for diffusion throughout the ventricular and subarachnoid space by means of ventricular puncture. (05 Mar 2000) |
| injections, epidural | The injection of drugs, most often analgesics, into the spinal canal without puncturing the dura mater. (12 Dec 1998) |
| injections, intradermal | The forcing into the skin of liquid medication, nutrient, or other fluid through a hollow needle, piercing the top skin layer. (12 Dec 1998) |
| injections, intralesional | Injections introduced directly into localised lesions. (12 Dec 1998) |
| injections, intralymphatic | Injections into the lymph nodes or the lymphatic system. (12 Dec 1998) |
| injections, intramuscular | Forceful administration into a muscle of liquid medication, nutrient, or other fluid through a hollow needle piercing the muscle and any tissue covering it. (12 Dec 1998) |
| injections, intraperitoneal | Forceful administration into the peritoneal cavity of liquid medication, nutrient, or other fluid through a hollow needle piercing the abdominal wall. (12 Dec 1998) |
| injections, intravenous | Injections made into a vein for therapeutic or experimental purposes. (12 Dec 1998) |
| injections, jet | The injection of solutions into the skin by compressed air devices so that only the solution pierces the skin. (12 Dec 1998) |
| injections, subcutaneous | Forceful administration under the skin of liquid medication, nutrient, or other fluid through a hollow needle piercing the skin. (12 Dec 1998) |