Morphine Flashcards
Brand Name for Morphine
Roxanol, M.S. Contin
Drug Class of Morphine
Opioid Analgesic (Schedule II narcotic)
Indications for Morphine
Severe CHF
Acute pulmonary edema
Chest pain secondary to acute MI
Analgesia for moderate to severe acute and chronic pain
Action of Morphine
Alleviates pain through CNS action
Suppresses fear and anxiety centers in the brain
Depresses brainstem respiratory centers
Increases peripheral venous capacitance and decreases venous return
Decreased preload and afterload which decrease myocardial oxygen demand
Contraindications for Morphine
Head injury Exacerbated COPD Depressed respiratory drive Hypotension Undiagnosed abdominal pain Decreased LOC Suspected Hypovolemia Patients who have taken MAOI’s within 14 days
Adverse Effects of Morphine
Confusion Sedation Headache CNS depression Respiratory depression Apnea Bronchospasm Dyspnea Hypotension Syncope Bradycardia Tachycardia Nausea Vomiting Dry mouth
Precautions for Morphine
Potentiates sedative Effects of phenothiazines (promethazine)
CNS depressants may potentiate Effects
MAOI’s may cause paradoxical excitation
Dose of Morphine
Adult: STEMI 2-4 mg SIVP repeat dose 2-8 mg at 15 minute intervals. Pain control ( medical direction)
Pedi: 0.1-0.2 mg/kg IV/IO/IM/SC with max dose of 5mg