Stable Angina

Cardiology

Predictable exertional chest pain relieved by rest / GTN, due to fixed coronary stenosis.

Risk factors

  • • Age, male, smoking, DM, HTN, dyslipidaemia, family hx CAD

History taking

  • • Central tight chest pain on exertion, <10 min, relieved by rest
  • • Radiation to jaw/arm, dyspnoea

Examination

  • • General: vitals, pallor, icterus, oedema, lymphadenopathy
  • • Focused system examination
  • • Look for red-flag findings

Red flags

  • • Haemodynamic instability
  • • Rapid deterioration
  • • Severe pain or new neurological deficit

Differential diagnosis

  • • See differentials section per chief complaint

Recommended investigations

  • • ECG (often normal at rest)
  • • Lipids, HbA1c, FBC, TFT
  • • CT coronary angiography (NICE 1st line) or stress imaging

Diagnosis

  • • Clinical diagnosis supported by targeted investigations

Initial treatment / management

  • • Treat underlying cause
  • • Symptomatic relief
  • • Patient education

Drug therapy

  • • Aspirin 75 mg OD
  • • High-intensity statin (atorvastatin 80 mg)
  • • GTN spray PRN
  • • β-blocker (bisoprolol 2.5–10 mg) or CCB (amlodipine 5–10 mg) first line
  • • Add long-acting nitrate / ivabradine / ranolazine if needed

Lifestyle advice

  • • Smoking cessation, BP/lipid control, exercise

Follow-up advice

  • • Review in 2–4 weeks or earlier if worsening
  • • Monitor response to therapy and adverse effects

Patient counselling

  • • Explain diagnosis and natural course in lay terms
  • • Red-flag symptoms warranting urgent return
  • • Adherence to medications and follow-up

Referral criteria

  • • Refer if diagnostic uncertainty, complications, or failure of first-line therapy

Clinical pearls

  • • Sublingual GTN: sit down, repeat after 5 min; call ambulance if pain persists 15 min total

References

  • • Harrison's Principles of Internal Medicine, 21e
  • • NICE / WHO guidelines (current edition)

Educational outpatient guide — verify against local guidelines before clinical use.

WardRound

WardRound

Clinical Decisions in Seconds