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Hypertensive emergencies should be treated within one hour. Hypertensive urgencies may be treated more slowly. The term accelerated malignant hypertension is used when retinal haemorrhages, exudates and pailloedema are found. Hypertensive encephalopathy denotes cerebral involvement with headache, irritability, altered consciousness and seizures.
As a general rule patients with a diastolic BP >130 should be treated fast. Urgent treatment also should be given to those in whom the rise in BP is found to be rapid.
1) Sodium nitroprusside infusion is the initial drug of choice (0.5 to 0.8 microgm, kg/min). May not be available in many centres. The dose should be very carefully titrated because of the possibility of hypotension and shock.
2) Nitroglycerin infusion: 0.25-5.0 microgm/kg/min
3) Labetalol: Bolus 2-10 mg or infusion: 2.5-30 microgram/kg/min
4) Captopril: Sublingual 12.5-25 mg
5) Hydralazine: IV 5-10 mg boluses
6) Enalapril: IV 0.5-5 mg bolus
7) IV diazoxide can be used as an alternative at a dose of 150 mg in 30-60 seconds as bolus.
Venting of the Heart : It is important that heart does not distend during cardio pulmonary bypass. This is prevented by venting of the left side of the heart by inserting a cannu
Carbon paper leaf prints Cover the vein side of a leaf with a very thin layer of lard or vaseline. Place the greased leaf vein side up on various layers of newspaper and cover
Nutrition, Feeding, Digestion All organisms require a fairly steady supply of nutrient materials from the environment to obtain energy in order to stay alive. The animals are
Starting from a ribosome in the cytosol, list in sequential order the organelles and cellular components a secreted protein would encounter from translation to secretion.
Q. Explain the factors on which Spoilage of fish depends? i) The type offish. Different types of fish are susceptible to spoilage due to shape and size. A fat fish is suscept
what is the first to develop in excretory system?
Endocrine Interactions At the beginning of menstruation the inhibitory influence of the corpus luteum on the pituitary is removed and FSH is secreted in increasing amounts. Th
how many kingdom and phylum are there?
Halophytes are plants that live in moist soils with high salt concentrations. Despite being surrounded my water, halophytes are often referred to as "salty desert" plants. Explain
If given this in this sequence to find surface area, 1 cm x 2 cm x 2 cm block, am I to assume it is written in LxWxH format? I actually think the length is 2 though and the width i
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