Palliative Care Flashcards
How often can Metoclopramide be given
3-4 times a day
Side-Effect of metoo=lopramide
Can induce acute dystonia
In what people are dystonic reactions from metoclopramide more common in
Young girls and women and people taking drugs that can cause extrapyramidal side effects (e..g, Parkinson’s)
How to treat an acute dystonic reaction from metoclopramide
Procyclidine
More common side effects of metoclopramide
Drowsiness and restlessness
How can dompierdione beb given
Orally or Rectally
COmplication of domperidone
Ventricular arrythmias
At what dose are the risk of cardiac arrests greatest in people with domperidone
Over 30 mg
How does Hyoscine work
Blocks Acetylcholine
WHen is Hyosine indictaed for nausea
Ear problems + Motion sickness
How does cyclizine and promethazine function
Block H1 receptors
What drug blocks the chemoreceptor trigger zone
DOmperidone
How does metoclopramide work and what is it indicated in
GI issues, works directly in the gut
When is Aprepitant indictaed
Chemotehrapy induced nausea
How does Aprepitant work
Neurokinin-1 recpetor antagonist
What is Step 1 in the analgesic ladder
NSAIDs + Paracetamol
NON OPIOIDS
What is Step 2 in the analgesic aldder
Weak Opioids:
- Codeine
- Co-Codamol (usually given after step 1)
- Tramadol
- Dihydrocodeine
What is Step 3 in the analgesic ladder
Strong opioids (oxycodone, Morpphine, Fentanyl etc)
What should all opioids be prescribed with
Laxatives (senna)
What is the conversion of the dose of codeine to morphine
Just divide dose by 10
Under what eGFR can morphine not be given
eGFR < 30
What painkillers are typically given if your eGFR < 30
Fentanyl
Alfentanyl
Buprenorphine
How do we calculate a PRN dose of painkillers
1/6th the dose
Adjuvants for bony metastatic pain
Radiotherapy + Bisphosphonates
How do we know what dose to use for morphine (oral -> syringe driver)
Half the dose
What therapy can be used to control nausea
CBT
Name two ways the chemoreceptor trigger zone can be stimulates
Drug induced toxicity or metabolic/biochemical upset
What drugs can cause triggering of the chemoreceptor trigger zone
Opidoids
NSAIDs
Antibiotics
Antidepressants
Anticonvulsants
Digoxin
Alcohol
Metabolic: Uraemia, Hypercalcaemia, ketoacidosis, Addison’s
First line management of CTZ induced vomiting
Metoclopramide 10mg 4 times a day
If metocloopramide is contraindicated, what can be given instead for CTZ vomiting
Haloperidol or Levomepromazine
First line management of gastric stasis or partial Gastric Outlet Obstruction/pseudo obstruction
Metoclopramide
If the elderly are at a risk of extrapyramidal effects, what drug can be given for gastric stasis
Domperidone
If there is extrinsic compression causing gaastric outlet obstruction (partial), what can be given
Dexamethasone
side effect of prokinetic agents
Oesophageal spasms
First line mamnagemnet of raised ICP vomiting
Cyclizine + Dexamethasone
Second line treatment of raised ICP vomiting
Levomepromazine SC
Treatment of movement related nausea
Cyclizine + Hyosine Hydrobromide
Second line treatment of movement related nausea
Levomepromazine
What can cause oeosphageal vomiting
Irritation to vagal and glossopharyngeal nerves (e.g., GORD, Tumours, or inflammation)
First line treatment of oesopheageal voimting
Cyclizine
Second line: Levopromazine
If the cause of vomiting is unknown, what medication should be given
Levomepromazine
Medication given to nausea associated with anxiety
BDZs
What is a typical daily starting dose for opioid-naiive patients
20-30mg oral morphine
How is the dose from codeine to morphine calculated
Divide by 10
HOw is the dose from oral tramadol to morphine calculated
Divide by 5
How is the dose from oral morphine to oxycodone calculated
Divide by 2
How is the dose from oral morphine to oral hydromorphone calculated
Divide by 7.5
What opioid is less liekly to cause constipation
Transdermal fentanuyl
How can we treat opioid induced nausea and vomiting in patients
Metoclopramide 10mg tds or haloperidol
How long are transdermal patches warn
72 hours
A 12mcg of transdermal fentanyl equates to approximately what dose of morphine
45mg
If the analgesic effect of transdermal patches is less than 3 days, what should be done
Increase the strength not the frequency of switching the patch
A transdermal patch of burenoprhine equates to approximately what daily dose of morphine
30mg
First line management of respiratory secretions
Hyoscine Hydrobromide
By what percentage do we increase morphine doses if the patient feels their pain is not being well-controlled
30-50%
HOw can we treat bowel colics
Hyoscine Hydrobromide
COnversion from oral morphine to diamorphine
Divide by 3
How to control intractable hiccups at palliative care level
Chlorepromazine or Haloperidol
How to manage malignant hypercalcaemia
3-4L of fluid and THEN bisphosphonates
What is febrile neutropenia and when does this happen
Where Neutrophil count reaches lowest levels 5-10 days after treatment
Oral temperatre >38.5 degrees + WCC <0.5 x 10^9/ L
What causes neutropenic fevers
Those recieving chemotherapy (very common)
What causes neutropenic fevers
Staph Aureus
What antibotics should be started in neutropenic fevers
Broad spectrum antibiotics (if no identifiable organism can be found)
Management of Tumour Lysis Syndrome
7 days allopurinol (intermediate risk)
Single dose of Rasburicase (high-risk)
What is leukostasis
Too high WCC causing ischaemia
Management of leukostasis
CYtoreduction (with induction chemotherapy)
Or Leukophoresis (if over 100,000 or symptoms)
What is the first line managemnet of someone with spinal cord compression from metastases
16mg Dexamethasone and THEN radiotherapy
What is the first line agent for opiate naive patients
Morphine Sulphate (1-2.5mg)
Under what cricumstances does Morphine Sulphate not pose as the first line management for pain
If eGFR <50
If eGFR <50, what is the first line analgesic for patients nearing end of life
Oxycodone (1-2 mg SC)
What receptors are involved in the chemoreceptor trigger zone
D2
5HT3
What receptor is involved in Motion Sickness (2)
ACh + H1
Managment of Superior Vena Cava Obstruction
Dexamethasone
Managesment of SOPD.Malignancy related sob
Morphine
Management of Asthma related SOB
Salbutamol
First line management of breathlessness
Opioids
What should be given to reduce discomfort associated with painful mouth at end of life
Benzydamine Hydrochloride
What is the role of octreotide in palliative care
Reduce gut secretions + vomit in bowel obstruction
Management of respiratory secretions in palliative care
Hyoscine or glycopyrronium
Management of lymphoedema
Complete decongestive therapy (compresion bandaging)
Pharmacological management of fatigue
Low dose methylphenydate (stimulates CNS)
Management of constipation
Metoclopramide
What type of laxative is senna
Stimulant
What type of laxative is macrogol (laxido)
Osmotic laxative
Management of a couggh
Morphine
What is the first line medication given (specifically) if a patient has an eGFR <30
alfentanil SC
Management of vomiting caused by pelvic or abdominal tumours
Cyclizine
Then Dexamethasone
Management of partial bowel obstruction
Still use metoclopramide
Stop laxatives
Second line: olanzapine
First line management of vomiting from complete bowel obstruction
Cyclizine
Management of metabolically induced nausea
Haloperidol