Emphysema or COPD Assessment Case
Five questions across mechanism, technique and clinical reasoning. The tingling question and the hyper-resonance question both want a physiological chain rather than a name.
Editorial process
Last reviewed · August 22, 2026
Two questions want a physiological chain, not a label
Two of these questions are testing whether you can follow a chain rather than name a finding. The tingling one is the clearest. Rapid shallow breathing blows off carbon dioxide, the resulting respiratory alkalosis raises blood pH, alkalosis increases calcium binding to albumin so the ionised calcium falls, and reduced ionised calcium raises neuronal excitability, which produces the perioral and peripheral paraesthesia and, if it continues, carpopedal spasm. Writing hyperventilation and stopping there answers the question at a quarter of its depth. It is also worth adding that anxiety is a diagnosis of exclusion here, since pulmonary embolism, metabolic acidosis and cardiac causes all present with tachypnoea. The vignette says the patient is anxious, but a vignette saying so is not the same as the anxiety being the cause, and an answer that notices the difference is doing clinical reasoning rather than reading comprehension. Say what you would check before settling on it.
The hyper-resonance question works the same way. Percussion note reflects the ratio of air to tissue, so the hyperinflation and air trapping of emphysema produce a hyper-resonant note, along with a flattened low diaphragm, reduced diaphragmatic excursion, decreased tactile fremitus and diminished breath sounds. The honest answer is qualified: hyper-resonance is expected in established emphysematous change, not in every tobacco user, and a smoker with chronic bronchitis may percuss normally. For the remaining questions, respiratory patterns should be described with what each signifies, so Cheyne-Stokes, Kussmaul, Biot and apneustic breathing each get a cause rather than just a rhythm. The technique question wants sequence and landmarks, including comparing side to side rather than working down one side. And on ethnicity, be careful: the evidence supports differences in risk factor prevalence and outcomes driven substantially by social determinants, structural inequity and access, which is a different claim from innate risk.
Likely learning objectives
- Trace hyperventilation through alkalosis to paraesthesia at the physiological level.
- Explain percussion findings from the air-to-tissue ratio.
- Give respiratory patterns with their clinical significance.
- Frame ethnic differences in cardiac risk through social determinants rather than biology.
Assignment instructions
Read the full question
Review every instruction before using the planning guidance that follows.
Lat…. Week 3 discussion An anxious patient is having rapid and shallow breathing. After a few moments, he complains of a tingling sensation. What could be the causes of this tingling sensation? What are the various patterns of respiration and their significance? Ethnicity and culture influence risk factors for heart disease. Do you agree? Why or why not? What is the technique of percussion and palpation of the chest wall for tenderness, symmetry, bulges, fremitus, and thoracic expansion? Explain. Would you anticipate hearing hyper-resonance on a patient with a history of tobacco use? Why or why not? What are the mechanics of breathing with reference to lung borders and the anatomical structure of the lungs and diaphragm?
Turn the brief into deliverables
- 01The full physiological chain from hyperventilation to tingling.
- 02Alternative causes of tachypnoea that must be excluded.
- 03Named respiratory patterns each with a cause.
- 04Percussion and palpation technique with landmarks and sequence.
- 05A qualified answer on hyper-resonance in tobacco use.
- 06Breathing mechanics with lung borders and diaphragm anatomy.
Mechanism, patterns, technique, then the reasoning questions
From rapid breathing to tingling
Trace carbon dioxide loss, alkalosis, calcium binding and neuronal excitability.
What the assessor is likely looking for
The ionised calcium step, which is where most answers stop short.
What else causes tachypnoea
Name the serious alternatives that must be excluded before anxiety.
What the assessor is likely looking for
Pulmonary embolism or acidosis named as a differential.
Patterns of respiration
Describe named patterns and the conditions each indicates.
What the assessor is likely looking for
A pattern paired with a specific cause rather than a description.
Percussion and palpation technique
Give sequence, landmarks and side-to-side comparison for each element.
What the assessor is likely looking for
Comparative technique rather than a single-side sweep.
Hyper-resonance and tobacco use
Explain the air-to-tissue ratio and qualify the answer by disease stage.
What the assessor is likely looking for
A qualification distinguishing emphysema from tobacco use alone.
Where the assessment techniques and physiology are documented
Recommended databases
- NCBI Bookshelf
- PubMed Central
- MedlinePlus
- University Library
Search sequence
- 1.Read the acid-base physiology of respiratory alkalosis before writing the first answer.
- 2.Confirm the percussion findings associated with hyperinflation.
- 3.Check the current framing of ethnic disparities in cardiovascular risk.
- 4.Look up the named respiratory patterns and their associated conditions.
Reference shortlist
These are authoritative starting points, not a ready-made bibliography. A qualified reviewer must confirm that each source fits the assignment and supports the claim beside which it is cited.
Physiology, Aging
StatPearls, NCBI Bookshelf · 2023
Physiology, for the acid-base and calcium mechanism behind the paraesthesia.
COPD
National Heart, Lung, and Blood Institute · 2024
COPD, for the hyperinflation that produces a hyper-resonant percussion note.
Social Determinants of Health
Office of Disease Prevention and Health Promotion · 2024
Social determinants, for framing the ethnicity and cardiac risk question.
Breathing Problems
MedlinePlus, U.S. National Library of Medicine · 2024
Breathing problems, for the range of causes behind an abnormal respiratory pattern.
THERAPEUTIC COMMUNICATION AND THE NURSE-CLIENT RELATIONSHIP
Nursing: Mental Health and Community Concepts, NCBI Bookshelf · 2022
The nurse-client relationship, for conducting the examination with an anxious patient.
Before you post to the Week 3 forum
Common mistakes
- Answering the tingling question with the word hyperventilation and nothing further.
- Treating anxiety as the diagnosis rather than as the diagnosis of exclusion.
- Saying yes to hyper-resonance for any tobacco user without qualification.
- Listing respiratory patterns without their significance.
- Attributing ethnic differences in cardiac risk to biology rather than to determinants.
Submission checklist
- Does the tingling answer include the calcium step?
- Have you named alternatives to anxiety for tachypnoea?
- Is the hyper-resonance answer qualified by disease stage?
- Does each respiratory pattern have a cause attached?
- Is the ethnicity answer framed through determinants and access?
Use this guide to plan and review your own work. Follow your institution's rules and read Brinevia's academic-integrity policy.
Written by
Maren Caldwell
MSN, RN, CNE
Medical-surgical nursing, pharmacology and NCLEX preparation
Maren is a registered nurse with over 15 years of clinical and educational experience in medical-surgical nursing. She writes on NCLEX preparation, patient care fundamentals, pharmacology and evidence-based practice.
Reviewed by
Dr. Tessa Redmond
DNP, RN, CNE
Evidence-based practice and clinical education
Tessa is a doctorally-prepared nurse educator. She reviews Brinevia content for clinical accuracy and alignment with current evidence-based guidelines.