🚨 The Panic Zone: Acute Cardiac Care

Chest Pain & Suspected STEMI Protocol: Step-by-Step for Student Nurses

When a patient suddenly clutches their chest, breaks into a cold sweat, and reports heavy, crushing pain — every second counts. Here is your ward-ready protocol.

“Time is muscle. In acute STEMI, complete occlusion of a coronary artery leads to rapid myocardial necrosis. Obtaining a diagnostic 12‑lead ECG within 10 minutes of pain onset is the single most critical nursing action.” — Resuscitation Council UK & NICE CG95 Guidance

1. Clinical Assessment: Is This Cardiac Chest Pain?

When a patient reports chest discomfort, quickly assess the pain while alerting the team. Use the **SOCRATES** framework alongside these classic features:

🫀 Classic Features of Ischaemic Cardiac Pain

  • Nature: Heavy, crushing, tight band, or burning — often described as “an elephant sitting on my chest.”
  • Radiation: Spreads to left arm, shoulder, neck, jaw, or upper abdomen.
  • Assymptoms: Profuse cold sweat, nausea, breathlessness, feeling of impending doom.
  • ⚠️ Atypical Presentation: Elderly, women, and those with diabetes may have no central chest pain — watch for sudden breathlessness, confusion, fatigue, or unexplained collapse.

2. The 10‑Minute Rule: ECG Recognition

National guidance: a 12‑lead ECG must be recorded and reviewed within 10 minutes of presentation.

⚡ ECG Patterns — What You’re Looking For

STEMI — RED ALERT

ST‑segment elevation ≥1 mm in two contiguous limb leads or ≥2 mm in V2–V3; or new Left Bundle Branch Block. Means complete artery occlusion.

🚨 Action: Activate Primary PCI pathway / crash call immediately!

NSTEMI / Unstable Angina

ST depression, T‑wave inversion — or a normal‑looking ECG. Partial occlusion confirmed via rising Troponin levels.

⚠️ Action: Urgent review, continuous monitoring, serial bloods.

3. Initial Emergency Management: MONAC Protocol

While help is on the way, deliver this evidence‑based bundle:

💊 THE MONAC ACS INTERVENTION BUNDLE

M — Morphine / Diamorphine + Antiemetic:

2.5–5 mg IV with antiemetic (e.g., Metoclopramide 10 mg). Eases pain and reduces heart muscle oxygen demand.

O — Oxygen — Only If Needed:

Target SpO₂ 94–98% (88–92% if known COPD). Do not give high‑flow oxygen to non‑hypoxic patients — it narrows coronary arteries.

N — GTN Spray / Sublingual:

1–2 sprays repeat every 5 min (max 3 doses). Check BP first — hold if systolic < 90 mmHg.

A — Aspirin 300 mg:

Give immediately — ask patient to chew it for faster absorption.

C — Second Antiplatelet:

Ticagrelor 180 mg or Clopidogrel 300–600 mg loading — prescribed by medical team before transfer.

4. Escalation Script — Word‑for‑Word SBAR

Speak clearly and confidently when bleeping the registrar or cardiac team:

🗣️ SBAR Handover — Chest Pain / STEMI

  • S — Situation: “This is Student Nurse [Name] on [Ward]. I’m calling about [Patient Name] who has severe crushing chest pain and a diagnostic ECG.”
  • B — Background: “[Age], admitted [date]. Relevant history: [hypertension / diabetes / previous MI / smoking]. Current diagnosis: [e.g. post‑op recovery].”
  • A — Assessment: “Pain 9/10 radiating to jaw. HR 110, BP 150/90, SpO₂ 96%. Diaphoretic and nauseous. ECG shows ST elevation V2–V4. Aspirin given, GTN x1 given.”
  • R — Recommendation: “Please attend urgently to review the ECG and activate the Primary PCI pathway.”

5. While Awaiting Review / Transfer

  1. Cardiac monitor attached — watch for dangerous ventricular rhythms.
  2. Crash trolley / defibrillator to bedside — be ready for arrest.
  3. Secure IV access — two large‑bore cannulas; take bloods (Troponin, FBC, U&Es, clotting, Group & Save).
  4. Nil by mouth — in case urgent angiography or surgery is needed.
  5. Reassure the patient — keep them calm, upright, and resting. Anxiety raises oxygen demand.
✓ Checked against NICE CG95 & Resuscitation Council UK guidance

Written by: Daniel Hancock, Registered Nurse

Clinical focus: Acute cardiac care, emergency recognition, student support

Published: September 2026  |  Last reviewed: September 2026

Intended for: UK student nurses — supervised learning only

⚠️ Always follow your trust’s specific chest pain pathway, local protocol, and direct supervision from a registered practitioner. ECG interpretation and medical management require formal training. This content supports education — it does not replace local policy, clinical judgment, or emergency team response.

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