Beta blockers, also written β-blockers, are important for your exams. Here are some useful mnemonics to remember the beta-blockers.
Beta-blockers site of action ( remember 1 heart , 2 lungs)
Beta-1 = 1 heart
Beta-2 = 2 lungs
Adrenoceptors: vasomotor function of alpha vs. beta (remember ABCD):
Alpha = Constrict.
Beta = Dilate.
Beta blockers: B1 selective vs. B1-B2 non-selective (remember A->N O->Z)
A through N: B1 selective: Acebutalol, Atenolol, Esmolol, Metoprolol.
O through Z: B1, B2 non-selective: Pindolol, Propanalol, Timolol.
Uses of Beta-blockers include (remember H&M HAT):
Hypertension / Hypertension ocular (Glaucoma)
Myocardial infarction /Migraine prevention
Hyperthrophy obstructive cardiomyopathy
Angina pectoris / Arrhythmia
Thyrotoxicosis
Beta-blockers: main contraindications, cautions (remember ABCDE):
Asthma
Block (heart block)
COPD
Diabetes mellitus
Electrolyte (hyperkalemia)
Beta-blockers : side effects – Remember “BBC Loses Viewers In Rochedale”
Bradycardia
Bronchoconstriction
Claudication
Lipids
Vivid dreams & nightmares
Inotropic action
Reduced sensitivity to hypoglycaemia
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