| Focused Exam: Chest Pain | Complete Solution Guide |
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Section 1: Immediate Safety Assessment and Triage (8 Questions)
Q1: Primary Assessment Priority
Upon entering Brian Foster's room in the Shadow Health simulation, he appears
uncomfortable and states, "I'm having this pressure in my chest." What is the nurse's
PRIORITY action?
A. Begin asking about the quality of the chest pressure
B. Assess airway, breathing, and circulation [CORRECT]
C. Obtain a full set of vital signs
D. Review his medical history for cardiac risk factors
Correct Answer: B
Rationale: The ABC (Airway, Breathing, Circulation) framework guides all emergency
assessments. Before characterizing the chest pain or collecting detailed history, the
nurse must ensure Brian Foster is hemodynamically stable with a patent airway,
adequate breathing, and sufficient circulation. This initial safety assessment is the
foundational step in the Shadow Health Brian Foster scenario and aligns with
Emergency Nurses Association (ENA) guidelines and American Heart Association
(AHA) protocols.
,While vital signs (Option C) and history questions (Options A, D) are essential
components of a complete chest pain assessment, they follow the initial determination
that the patient is not in immediate life-threatening distress. Option A risks missing
acute respiratory or circulatory compromise; Option C assumes stability without
verification; Option D delays life-saving assessment for data gathering.
Pathophysiology Connection: Acute coronary syndrome (ACS) can precipitate
dysrhythmias, heart failure, or cardiogenic shock within minutes—conditions requiring
immediate recognition through ABC assessment.
Q2: Vital Sign Prioritization
After confirming Brian has a patent airway and is breathing, which vital sign
measurement is MOST critical to obtain immediately?
A. Temperature
B. Oxygen saturation and blood pressure [CORRECT]
C. Pain rating on 0-10 scale
D. Respiratory rate only
Correct Answer: B
Rationale: Oxygen saturation assesses tissue oxygenation adequacy (potential hypoxia
from left ventricular failure or pulmonary edema), while blood pressure determines
perfusion status and guides decisions regarding vasoactive medication administration
or contraindications to nitroglycerin (SBP < 90 mmHg). These measurements directly
impact immediate intervention decisions.
Option A (temperature) is important for infectious differential diagnosis but not
immediately life-threatening; Option C (pain rating) is essential for monitoring but
,secondary to physiological stability; Option D is incomplete—isolated respiratory rate
without oxygen saturation misses hypoxemia.
Clinical Pearl: In the Shadow Health Brian Foster scenario, obtaining SpO2 and BP
allows the nurse to determine if supplemental oxygen is indicated and if the patient is
hypotensive (contraindication to nitrates) or hypertensive (potential for afterload
reduction).
Q3: Red Flag Identification
During initial assessment, Brian becomes diaphoretic and states, "The pressure is
getting worse." Which finding requires IMMEDIATE intervention?
A. Blood pressure 148/92 mmHg
B. Heart rate 88 beats per minute
C. Respiratory rate 24 with SpO2 89% on room air [CORRECT]
D. Pain rating 7/10
Correct Answer: C
Rationale: SpO2 89% represents severe hypoxemia (normal ≥ 95%) indicating acute
pulmonary compromise—potentially acute left ventricular failure with pulmonary edema,
pneumothorax, or massive pulmonary embolism. This requires immediate supplemental
oxygen and possible positive pressure ventilation per ACLS protocols.
Option A (elevated BP) is expected with pain/anxiety and manageable; Option B (normal
HR) is reassuring; Option D (pain 7/10) requires intervention but not immediate
life-saving action. Hypoxemia takes absolute priority per Maslow's hierarchy and
survival needs.
Pathophysiology: In ACS, hypoxemia suggests Killip Class II-IV heart failure (pulmonary
congestion), requiring oxygen to reduce myocardial ischemia and prevent arrhythmias.
, Q4: ECG Acquisition Priority
The nurse is preparing to obtain a 12-lead ECG. What is the clinical rationale for
completing this within 10 minutes of arrival?
A. To confirm the need for cardiac catheterization
B. To identify ST-elevation myocardial infarction (STEMI) requiring immediate
reperfusion therapy [CORRECT]
C. To rule out anxiety as the cause of chest pain
D. To satisfy hospital quality metrics
Correct Answer: B
Rationale: The 10-minute ECG window is an AHA/ACC Class I recommendation because
STEMI requires immediate reperfusion (PCI within 90 minutes or thrombolytics within
30 minutes) to salvage myocardium. "Time is muscle"—each minute of delay increases
infarct size and mortality.
Option A is incorrect because ECG identifies STEMI indication for cath lab activation,
but doesn't "confirm need" (clinical decision); Option C is inappropriate—ECG doesn't
diagnose anxiety; Option D trivializes the life-saving purpose of rapid ECG acquisition.
Shadow Health Objective: The Brian Foster scenario emphasizes door-to-ECG time as a
critical quality indicator for chest pain protocols.
Q5: Nitroglycerin Administration Safety
Brian's vital signs are: BP 156/94, HR 92, SpO2 94%, RR 20. He reports continued chest
pressure. Before administering sublingual nitroglycerin, what is the ESSENTIAL
assessment?
A. Confirm he has not taken sildenafil (Viagra) in the past 24 hours [CORRECT]