Contraindications Flashcards

1
Q

Beta blockers avoid

A

In asthma due to effects on B2, cause bronchospasms (metoprolol & atenolol are B1 selective still don’t use)

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2
Q

Beta blockers can cause

A

HF

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3
Q

Beta blockers worsen

A

Heart block, reduces exercise tolerance, exertion dyspnoea, fatigue, hypotension, bradycardia

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4
Q

Beta blockers inhibit

A

Lipoprotein lipase - worsen lipid profile

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5
Q

Beta blockers CNS effects

A

Nighmeres

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6
Q

Alpha 1 blockers

A

Postural hypotension, depression, drowsiness, nasal stuffiness, increases GI motility (diarrhoea), urinalysis incontinence

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7
Q

Alpha 2 agonist

A

-C & -I effects may promote HF

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8
Q

ACE inhibitors related to bradykinin increase

A

Persistent dry cough, and rarely angioedema

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9
Q

ACE inhibitor

A

Initial hypotension, rash, dysgeusia, foetal abnormalities.
Exacerbates impairment in bilateral renal artery stenosis

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10
Q

ACE inhibitors caution

A

Concurrent use with diuretics and NSAIDS

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11
Q

Angiotensin receptor blocker

A

Usually well tolerated but hypotension, dizzy, rash

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12
Q

Angiotensin receptor blocker GI

A

Nausea, vomit, diarrhoea, hyperkalaemia, renal issues if bilateral renal artery stenosis, teratogenic

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13
Q

Statins

A

Myopathy and rhambdomyolysis (breakdown of muscle fibres releasing myoglobin to plasma and eventually kidneys)

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14
Q

Statins teratogen

A

Inhibiting cholesterol formation can affect developmental genes, avoid in pregnancy

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15
Q

Statins increased chances of adverse effects

A

High dose in elderly, and drug interactions

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16
Q

Fibrates GI

A

GI-related effects are minor and are resolved with withdrawal

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17
Q

Fibrates interactions with statins

A

Some statins causing myalgia (muscle pain) possible with some Fibrates

18
Q

Low dose aspirin

A

Gastric ulceration and bleeding, Reye’s syndrome

19
Q

Clopidogrel

A

Bleeding, haemorrhage, thrombocytopenia

20
Q

Enoxaparin

A

Associated with fewer side effects than UF heparin.
Risk of haemorrhage, bruising, hyperkalaemia, elevated AST & ALT

21
Q

Warfarin

A

Narrow therapeutic index
Haemorrhage (storke), GI tract loss, bruising, teratogenic, skin necrosis.
Several drug interactions

22
Q

Fibrinolytics

A

Bleeding, haemorrhage, nausea, vomiting

23
Q

Fibrinolytics do not use with

A

Anticoagulants

24
Q

Amlodipine conindicated in

A

Unstable angina as it causes reflex tachycardia to maintain BP when TPR drops, increasing myocardial O2 demand

25
Amlodipine AE
Flushing, oedema, dizzy, nausea, constipation
26
Verapamil AE
Flushing, oedema, dizzy, nausea, constipation
27
Verapamil contraindications
HF, bradycardia, conduction defects. Cannot use with BB
28
Diltiazem contraindications
HF, bradycardia, conduction defects. Cannot use with BB
29
Nitrates and nitrodilators AE
Flushing, headache, reflex, tachycardia, palpitations dizzy, hypotension
30
Nitrates and nitrodilators interactions
Alcohol, BB, CCB, viagra
31
Nitrates and nitrodilators tolerance and withdrawal
Tolerance can develop. avoid abrupt withdrawal
32
Osmotic diuretic
Increased ECF vol - pulmonary congestion, hypersensitivity reactions, headache, nausea, vomit
33
Loop diuretics
Hypovolemia, dizzy, syncope, Na+ K+ Ca2+ Mg2+ loss, hyperuricemia - gout, metabolic alkalosis
34
Loop diuretics prolonged use
Hearing loss, increase renal toxicity of cephalosporins
35
Thiazide diuretics
Dehydration, postural hypotension, hyponatremia (lead to Li+ accumulation), metabolic alkalosis, gout, hypokalemia, impotence, hyperglycaemia, prolonged QT interval
36
Potassium sparing diuretics
Hyperkalaemia, androgen modulating effects (steroid structure), gynecomastia, GI disturbances
37
Sodium channel antagonist
Can induce arrhythmias by slowing conduction
38
Potassium channel antagonist
Photosensitive skin rashes, thyroid abnormalities, pulmonary fibrosis, corneal deposits, neurological and GI disturbances
39
Potassium channel antagonist pregnancy and breast feeding
Don’t use in pregnancy, expressed in breastmilk
40
Cardiac glycoside
Nausea, vomit, confusion
41
Cardiac glycoside can cause
Arrhythmias
42
Cardiac glycoside AE
Nausea, vomit, confusion