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Visual evoked potentials

Test performed to study brain electrical activity with visual stimulus. Electrodes are used in the head and the doctor asks the person to look at a screen where an intermittent white light appears. It’s a noninvasive and painless study.

Vitamin B1

Normal Value: 0,2 ngr/dl

Vitamin B1-rich diet

Meat: especially pork, calf`s liver, brains, Serrano ham
Fish: pompano, tuna, sole, sardine
Shellfish
Eggs
Of vegetable origin: Marmite (brewer’s yeast extract)
Aromatic herbs: rosemary, cilantro, paprika, thyme
Dried fruit and seeds: walnuts, sunflower seed, whole wheat bread, cereal
Fruits

Vitamin B12

Normal Value: from 200 to 900 pg/ml

Vitamin B12-rich diet

Meat: calf, fish, pork, chicken, lamb
Eggs
Dairy product: milk and byproducts
Vegetables: they have low amount of this vitamin

Vitamin B6

Normal Value: 3 to 30 mgr/ml

Vitamin B6-rich diet

Meat: chicken, turkey, calf, pork
Fish: cod, pink salmon, trout, tuna
Vegetables: the majority of them
Dried fruits and seeds: walnuts, sunflower seed, whole wheat bread, whole grain cereal
Legume: chickpea, lentil

Vitamin D

Normal Value: 30 to 74 ng/ml

Vitamin K

0.13 to 1.19ng/ml

Vitrectomy

It's an eye surgery perform to remove the vitreous (gel composed mainly of water that fills the eye cavity) that is blurred with blood and to replace it with saline.
Vitrectomy is used when there is too much blood in the center of the eye.
It's performed under local or general anesthesia.

Vitrectomy

It's an eye surgery perform to remove the vitreous (gel composed mainly of water that fills the eye cavity) that is blurred with blood and to replace it with saline. Vitrectomy is used when there is too much blood in the center of the eye. It's performed under local or general anesthesia.

Voiding Gastroduodenal

Painless, non-invasive study to see the esophagus and stomach, its walls and if there are disorders in them or not, previous ingest of a constast liquid, mostly barium.

Voiding miction cystourethrography (pediatric)

Painless study to see how is the functioon of the bladder and urethra (conduct which takes the urine from the bladder to the exterior) and if there is any disroder. To do this a small catheter is introduced in the urethra, and a contrast liquids gets inside the bladder until filling it. Simultaneously, radiographies after and during miction are performed.

Von Willebrand factor


Von Willebrand factor is a protein involved in the blood clotting process. The blood ability of coagulation is a complex process in which platelets and proteins, called “clotting factors” take part.
Von Willebrand factor measures the amount of this protein in blood. For its examination a sample of blood is taken through vein (venipuntire)
Normal value: 47-100 %
Normal values vary based on the laboratory

Weakness or loss of strength in arm and leg Physical Examination

The doctor may perform the following examination or exploration:
.Control of Cardiac Frequency (Normal: 60 to 100 beats/minute)
.Control of Breathing Frequency (Normal: 16 to 20 breathing cycles/minute)
.Control of Temperature (Normal: 36,5 - 37 °C)
.Control of Blood Pressure (Normal: ≤ 120/80 mmHg)

Cardiovascular examination: auscultation of heart and neck, palpation of pulse (especially the neck)
Lung Examination: percussion and auscultation of lung sounds
Neurological examination:
Verify state of consciousness
Examination of strength in legs and arms
Examination of sensitivity of legs and arms
Examination of pupils
Neck mobility (if there is nape rigidity)

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