Morphine Flashcards
1
Q
Presentation of Morphine
A
10mg in 1ml amp
2
Q
Pharmacology of Morphine
A
Narcotic analgesic
3
Q
Pharmacology of Morphine (actions)
A
CNS
- Depression (leading to analgesia)
- Respiratory depression
- Depression of cough reflex
- Dependance (addiction)
- Stimulation (changes in mood, euphoria or dysphoria, vomiting, pin-point pupils)
CV
- Vasodilation
- Decreases conduction velocity through the A.V. node
4
Q
Metabolism of Morphine
A
By the liver and excreted by the kidneys
5
Q
Morphine Indications
A
- Pain relief
- Acute LVF with SOB and full field crackles
- Sedation to maintain intubation
- Sedation to enable intubation
- RSI
6
Q
Morphine Contraindications
A
Known hyprsensitivity
Late second stage labour
7
Q
Morphine Precautions
A
- Current asthma
- Hypotension
- Elderly pts
- Respiratory depression
- Pts on MAOs
- Acute alcoholism
- Respiratory tract burns
- Known addiction to narcotics
8
Q
Route of Administration of Morphine
A
IM
IV
IV infusion
9
Q
Side Effects of Morphine
A
CNS
- Respiratory depression
- Euphoria
- Drowsiness
- Pin-point pupils
- Addiction
- Nausea, vomiting
CV
- Hypotension
- Bradycardia
10
Q
Effects of Morphine
A
IV
Onset: 2-5min
Peak: 10min
Duration: 1-2hrs
IM
Onset: 10-30min
Peak: 30-60min
Duration: 1-2hrs
