Hypoxia mechanism Following phases are included in the Hypoxia mechanism : 1. Anoxic hypoxia—Gas phase. There is inadequate supply of oxygen to the lungs, or the lung is not functioning properly. 2. Anemic hypoxia—Fluid hypoxia (phase). There is a decrease in the oxygen carrying capacity of the blood. 3. Stagnant hypoxia—Fluid phase. There is decreases […]
Propofol uses includes that, it does not trigger malignant hyperthermia in susceptible patients or experimental animals. The major Propofol uses are its use as Anesthetic agent or as a sedative. It is the drug most commonly used for induction of anesthesia. It can also be used for maintenance of anesthesia when it is ran as
Some Etomidate side effects are explained here. Some Patients receiving etomidate as intravenous injection for induction, frequently complain about pain. The incidence of pain is about 20% and associated with the conventional formulation due to its solvent propylene glycol which causes direct injury to vascular endothelium resulting in pain and venous sequelae. Pain on injection
Benzodiazepines dependence may produce physical and psychological dependence after chronic (>6 months) use of commonly prescribed low-potency benzodiazepines. Withdrawal symptoms (irritability, insomnia, tremulousness) appear within 1 to 2 days for short-acting benzodiazepines dependence and within 2 to 5 days for longer-acting drugs. When administered to patients who have benzodiazepine induced CNS depression of benzodiazepines dependance, flumazenil produces rapid and dependable
Non benzodiazepines like Zolpidem Non benzodiazepines like zopiclone, Zolpidem, zaleplon and efzopiclone (Z agents) are the newer sedative hypnotic agents which have varied chemical structures. They bind selectively to a subset of benzodiazepine receptors and act as benzodiazepine receptor Agonists. Non benzodiazepines characteristic features are: As sedative-hypnotics, they are as effective as benzodiazepines and provide
Nitroprusside Cyanide Toxicity is due to the cyanide groups released from metabolism of the nitroprusside molecule. After gaining an electron from the iron moiety of hemoglobin, the sodium nitroprusside produces an unstable radical and methemoglobin. Hypertension is commonly seen in the perioperative setting as well as the intensive care unit (ICU). There are many agents
Etomidate causes adrenocortical suppression by producing a dose-dependent inhibition of the conversion of cholesterol to cortisol. This is known as Etomidate adrenal suppression Cortisol and aldosterone are depressed by etomidate, but the clinical relevance is minimal after a single bolus injection. Etomidate adrenal suppression causes a specific and reversible blockade of the 11 beta-hydroxylation of
Physiotherapy management electrotherapy is the application of electrical current to the area of generation of nociception. Physiotherapeutic methods are based on use of mainly two different modalities: 1. Electrotherapy 2. Exercise therapy This can be achieved with following methods of electrical current: • Low frequency • Medium frequency • High frequency Low frequency: i) The
The most significant Methodone feature is its exactly identical pharmacodynamics and methodone mechanism of action as that of morphine in equipotent (equianalgesic) doses. Methodone is an agonist with diphenyl structure (2 phenyl rings at the center). The psychological behaviour of methadone addiction is not as markedly abnormal as that of other pure agonists like heroin,
Nikethamide is a drug used for stimulating the brain. Its chemical name is nicotinic acid diethylamide. Nikethamide is a cerebral stimulant and a good analeptic. It stimulates respiration due to an effect on respiratory center and not through the chemoreceptors of the carotid and aortic bodies. It has a vasoconstrictor effect on the peripheral circulation. It has
