Question
Morphine in Acute left ventricular failure
Q10 1 marks Short Answers ★ ✓
Answer
Morphine is used in acute left ventricular failure because it produces venodilation (histamine-mediated and direct), reducing venous return and preload, which relieves pulmonary congestion; it also reduces anxiety and the sympathetic drive associated with air hunger, and its mild respiratory-centre depressant action can help slow rapid, shallow breathing to a more effective pattern. It is used cautiously, given the risk of respiratory depression, and is no longer considered first-line in current guidelines.
1 Antianginal Drugs
Other Years Asked
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