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TYPE: Loop diuretic
PRESENTATION: 80 mg in 8ml – IMS Mini-jet
ACTIONS: 1.Potent diuretic when given IV, Lasix increases urine output within 5 – 10 minutes; and can last up to 3 hours 2. Causes venous dilatation – decreases venous return. This effect occurs within 5 minutes.
USE: Severe Acute Cardiogenic Pulmonary Oedema – unresponsive to previous treatment – to decrease venous return and promote loss of fluid.
ADVERSE EFFECTS 1.If given too rapidly may lead to hypotension. 2.If marked diuresis,the resulting fluid loss may lead to hypovolaemic shock, especially in hypovolaemic patients 3. Potassium loss may occur – may aggravate arrhythmias (esp. if previously hypokalaemic
CONTRA-INDICATIONS 1. Systolic BP < 90mmHg 2. Hypersensitivity (Note – possible cross-sensitivity to sulphonamides)
DOSE Adult: On diuretics: 1 mg/kg IV over 2 minutes Adult Not on diuretics: 0.5 mg/kg IV over 2 minutes Single dose only
Note If the patient is in severe pulmonary oedema & IV access is not available, IM administration is acceptable. (use 2 separate sites if the volume is greater than 4mls) Paediatric: Not used
Created by: mattypepper