MED-SURG SURVIVAL GUIDE
RESPIRATORY SYSTEM (COPD)
"Don't Memorize. Understand."
The Master Cheat Sheet for Nursing Students
INCLUDES HIGH-YIELD TOPICS:
Pink Puffer vs. Blue Bloater Mnemonics (Instantly dis nguish Emphysema vs.
Chronic Bronchi s)
The "Tic-Tac-Toe" Method (Interpret ABGs in seconds: Acidosis vs. Alkalosis)
NGN Case Study: COPD Exacerba on (Real Clinical Judgment Prac ce with
Answer Key)
Cri cal Safety Alerts (Hypoxic Drive Trap & Chest Tube Emergency Rules)
INDEPENDENT STUDY AID
Based on OpenStax Medical-Surgical Nursing
, RESPIRATORY MASTER CHEAT SHEET, DESIGNED TO HELP YOU PREP FOR THE
NCLEX.
1. EMPHYSEMA VS. CHRONIC BRONCHITIS (THE SHOWDOWN)
The text classifies both condi ons under Chronic Obstruc ve Pulmonary Disease (COPD),
no ng that most pa ents present with a mix of symptoms. Emphysema is specifically noted
as damage to alveolar walls leading to elas city loss and air trapping.
Emphysema (The "Pink Puffer" Bronchi s/COPD (The "Blue Bloater"
Feature
Profile*) Profile*)
Primary Alveolar wall damage, loss of Inflamma on, mucosal narrowing, and
Issue elas city, and air trapping. smooth muscle hypertrophy.
Barrel Chest: The anterior-posterior Mucous Produc on: Pa ents report
Symptom
chest diameter increases due to progressive mucous produc on and
1
chronic air trapping. cough.
Pursed Lip Breathing: Used to
Symptom Cyanosis: Visible blue discolora on
manage dyspnea and prolong
2 indica ng distress and hypoxia.
expira on.
Muscle Was ng (Cachexia): Loss of Edema: Right-sided heart failure can
Symptom
muscle and adipose ssue due to develop in advanced cases, causing
3
increased work of breathing. lower extremity edema.
2. ABG INTERPRETATION (THE TIC-TAC-TOE METHOD)
The text u lizes ABGs to guide therapy and iden fy respiratory failure. It specifically iden fies
Respiratory Acidosis as the most common abnormality in COPD.
Parameter ACID NORMAL BASE
pH < 7.35 7.35 – 7.45 > 7.45
PaCO2 (Respiratory) > 45 mmHg 35 – 45 mmHg < 35 mmHg
HCO3 (Metabolic) < 22 mEq/L 22 – 26 mEq/L > 26 mEq/L