A 23-year-old female presents with new onset chest and shoulder blade pain today and has no electrocardiogram (ECG); what is the appropriate evaluation and management?

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Last updated: November 2, 2026 • View editorial policy

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Immediate Evaluation and Management

Get an ECG within 10 minutes and transport this patient to the emergency department immediately by calling 9-1-1, as you cannot adequately rule out acute coronary syndrome (ACS) without an ECG and cardiac troponin testing. 1

Critical First Steps

Since you don't have an ECG available:

  • Call 9-1-1 immediately - Do not have the patient drive herself or wait for office transport 1
  • Give aspirin 325 mg while awaiting EMS (if no contraindications) 2
  • Monitor vital signs and keep patient at rest

The 2021 AHA/ACC guidelines explicitly state that if an ECG cannot be obtained in the office setting, the patient should be referred to the ED urgently so one can be obtained, and patients with suspected ACS should be transported by EMS rather than personal vehicle 1.

Why This Patient Requires Emergency Evaluation

Age and Presentation Don't Rule Out Cardiac Disease

While 23 years old is young for ACS, you cannot exclude life-threatening causes based on age alone:

  • Women can present with atypical symptoms including shoulder blade pain 1
  • Spontaneous coronary artery dissection (SCAD) specifically affects young women without traditional risk factors 3
  • Myopericarditis can present with chest pain and shoulder involvement 4
  • Pulmonary embolism, aortic dissection, and pneumothorax remain possible

The 10-Minute ECG Rule

An ECG must be acquired and interpreted within 10 minutes of arrival to any medical facility for acute chest pain 1. This is a Class 1 recommendation because:

  • Early STEMI recognition dramatically improves outcomes 1
  • Prehospital ECG transmission allows ED preparation for reperfusion therapy 1
  • Delays in obtaining ECG result in avoidable delays in treatment 1

What the ED Will Do

Once in the ED, expect this systematic approach per the 2022 ACC Expert Consensus 5:

  1. ECG within 10 minutes - Looking for:

    • ST-segment elevation (STEMI)
    • ST-segment depression or T-wave inversions (NSTE-ACS)
    • New left bundle branch block
    • Wellens syndrome or De Winter T-waves 6

  2. High-sensitivity cardiac troponin measured immediately 1

  3. Serial troponin at 3-6 hours if initial testing non-diagnostic 5

  4. Risk stratification using modified HEART score or EDACS if intermediate risk 5

What You Should Ask NOW (While Waiting for EMS)

Focus your history on these specific high-yield features:

Character of Pain

  • Pressure, squeezing, heaviness, tightness = higher probability of ischemia 1
  • Stabbing, sharp, positional = lower probability but doesn't exclude cardiac causes 1

Key Questions

  • Does it radiate to the jaw, neck, or left arm? (increases cardiac probability)
  • Is it worse with deep breathing? (suggests pleuritic causes: PE, pericarditis, pneumothorax) 1
  • Any associated symptoms: dyspnea, diaphoresis, nausea, palpitations?
  • Any recent viral illness? (myopericarditis) 4
  • Any trauma or recent long travel? (PE, pneumothorax)
  • Oral contraceptive use? (PE risk in young women)

Physical Exam Findings to Document

  • Vital signs - tachycardia, hypotension, fever, oxygen saturation
  • Chest wall tenderness on palpation (reduces ACS probability but doesn't exclude it) 1
  • Unequal breath sounds (pneumothorax) 1
  • Friction rub (pericarditis, myopericarditis) 1, 4

Critical Pitfalls to Avoid

  1. Don't delay transfer to obtain troponin in the office - This is a Class 3 Harm recommendation 1. Troponin testing should rarely be requested in primary care for suspected ACS 2

  2. Don't assume young age = benign cause - SCAD, myopericarditis, and PE don't respect age 4, 3

  3. Don't rely on "atypical" symptoms to exclude cardiac disease - Women and young patients often present differently 1

  4. Don't let normal initial troponin reassure you - A substantial proportion of SCAD patients have normal initial troponins 3, and serial testing is required 5

If Patient Refuses EMS Transport

If she insists on not calling 9-1-1 (strongly discourage this):

  • Document thoroughly that you recommended EMS transport
  • Have someone drive her immediately to the nearest ED
  • Call ahead to the ED to notify them
  • Instruct her to go directly to triage, not wait in the waiting room
  • Give aspirin 325 mg before departure (if no contraindications)

The mortality risk of delayed evaluation far outweighs the inconvenience and cost of ED evaluation 1, 6.

References

4
Research

Myopericarditis in an emergency department patient presenting with chest pain and ECG changes: a case report.

The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology, 2026

6
Research

How to Approach Patients with Acute Chest Pain.

Reviews in cardiovascular medicine, 2024

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This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.