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NCLEX-RN Medical-Surgical Nursing: Cardiology Section - Cheatsheet

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NCLEX-RN Medical-Surgical Nursing: Cardiology Section - Cheatsheet

STUDY GUIDE

🩺 NCLEX-RN Medical-Surgical Nursing: Cardiology Section - Study Guide

πŸ“‹ Course Structure

code
πŸ₯ Cardiology: CAD and ACS Management
β”œβ”€β”€ πŸ“– Chapter 1: Advanced Surgical and Alternative CAD Interventions
β”‚   β”œβ”€β”€ πŸ”Ή Minimally Invasive and Robotic Techniques (TECAB)
β”‚   β”œβ”€β”€ πŸ”Ή Postoperative Nursing Care for CABG
β”‚   └── πŸ”Ή Alternative Therapies for Refractory Angina (EECP)
β”œβ”€β”€ πŸ“– Chapter 2: Pathophysiology and Classification of ACS
β”‚   β”œβ”€β”€ πŸ”Ή The ACS Continuum: UA, NSTEMI, and STEMI
β”‚   └── πŸ”Ή Myocardial Ischemia and the Healing Process
β”œβ”€β”€ πŸ“– Chapter 3: Clinical Manifestations and Complications of MI
β”‚   β”œβ”€β”€ πŸ”Ή Physical Signs and SNS Stimulation
β”‚   β”œβ”€β”€ πŸ”Ή Major Complications: Dysrhythmias and Heart Failure
β”‚   └── πŸ”Ή Mechanical and Inflammatory Complications
β”œβ”€β”€ πŸ“– Chapter 4: Diagnostic Tools and Biomarkers
β”‚   β”œβ”€β”€ πŸ”Ή ECG Findings and Lead Correlation
β”‚   └── πŸ”Ή Serum Cardiac Biomarkers and Catheterization
β”œβ”€β”€ πŸ“– Chapter 5: Interprofessional Care and Pharmacotherapy
β”‚   β”œβ”€β”€ πŸ”Ή Emergency Management Protocols
β”‚   β”œβ”€β”€ πŸ”Ή Reperfusion Therapy: PCI and Thrombolytics
β”‚   └── πŸ”Ή Drug Therapy and Nutrition
β”œβ”€β”€ πŸ“– Chapter 6: Nursing Management and Patient Education
β”‚   β”œβ”€β”€ πŸ”Ή Acute Nursing Assessment and Implementation
β”‚   β”œβ”€β”€ πŸ”Ή Cardiac Rehabilitation and MET Units
β”‚   └── πŸ”Ή Education: Physical and Sexual Activity
└── πŸ“– Chapter 7: Sudden Cardiac Death (SCD)
    β”œβ”€β”€ πŸ”Ή Etiology and Risk Factors
    └── πŸ”Ή Interprofessional Care and Technology (ICD/LifeVest)
Section 2

πŸ“– Chapter 1: Advanced Surgical and Alternative CAD Interventions

What this chapter covers: This chapter focuses on surgical and non-surgical interventions for advanced Coronary Artery Disease (CAD). It details robotic-assisted surgeries like TECAB and the intensive nursing requirements following a Coronary Artery Bypass Graft (CABG). Additionally, it explores alternative treatments like Enhanced External Counterpulsation (EECP) for patients who are not candidates for traditional surgery.

🩺 Key Medical Concepts

Procedure/TopicDescriptionClinical SignificanceKey Nursing Points
TECABRobotic coronary bypass using ports in the chest.Reduced blood loss, pain, and faster recovery.Monitor for port site infections and respiratory status.
CABG Post-OpSurgical revascularization using conduits (IMA, Saphenous).High risk of systemic inflammation and bleeding.Start Ξ²\beta-blockers within 24h to prevent Atrial Fibrillation.
EECPLeg cuffs inflating during diastole to increase venous return.Used for refractory angina in non-surgical candidates.Contraindicated in severe PAD or decompensated HF.
POCDPostoperative Cognitive Dysfunction (memory/concentration loss).Common in older adults (>80) post-bypass.Assess baseline mental status and involve family in care.

πŸ”¬ Multiple Choice Example

Question: A patient 48 hours post-CABG develops a rapid, irregular heart rate. Which complication should the nurse suspect first?
A) Ventricular Tachycardia
B) Atrial Fibrillation
C) Cardiac Tamponade
D) Pulmonary Embolism

Answer: B
Explanation: Atrial Fibrillation occurs in 20%–50% of CABG patients due to surgical manipulation and inflammation. While VT is serious, AF is the most common post-op dysrhythmia.

⚠️ Common Mistakes

❌ Mistake 1: Assuming chest tube drainage should stop immediately post-op.
βœ… How to avoid: Monitor for sudden increases or cessation (tamponade risk); expect gradual tapering.

❌ Mistake 2: Delaying β\beta-blockers due to fear of low heart rate post-op.
βœ… How to avoid: Administer as ordered to prevent AFib unless HR is critically low (<50-60).

🦁 Erik's Tip

Remember that radial artery harvests are prone to spasms. Always check for sensory/motor function in the hand and anticipate Calcium Channel Blocker orders to keep the graft open!

πŸ“– Chapter 2: Pathophysiology and Classification of ACS

What this chapter covers: This chapter explains the transition from stable CAD to Acute Coronary Syndrome (ACS). It differentiates between Unstable Angina, NSTEMI, and STEMI based on arterial occlusion levels. It also outlines the physiological timeline of myocardial necrosis and the 6-week healing process.

🩺 Key Medical Concepts

ACS TypePathophysiologyECG FindingsBiomarkers
Unstable AnginaPartial occlusion by unstable plaque/thrombus.ST depression or T-wave inversion.Negative (Normal).
NSTEMINonocclusive thrombus causing subendocardial damage.ST depression or T-wave inversion.Positive (Elevated).
STEMITotal occlusive thrombus; transmural injury.ST Elevation in contiguous leads.Positive (Elevated).
Healing PhaseNecrotic tissue removal by leukocytes (Day 4).Scar tissue replaces muscle (Week 6).Risk of rupture is highest at Day 10–14.

πŸ”¬ Multiple Choice Example

Question: A patient presents with chest pain at rest. The ECG shows ST-segment depression, and the initial Troponin level is elevated. How is this classified?
A) Stable Angina
B) Unstable Angina
C) NSTEMI
D) STEMI

Answer: C
Explanation: Positive biomarkers with ST depression (no elevation) define NSTEMI. UA has negative biomarkers.

⚠️ Common Mistakes

❌ Mistake 1: Thinking the heart is fully "healed" once the patient is discharged (usually Day 3-5).
βœ… How to avoid: Educate that scar tissue is weak until Week 6; activity must be increased very gradually.

❌ Mistake 2: Ignoring hyperglycemia in a post-MI patient without diabetes.
βœ… How to avoid: Understand that stress-induced catecholamines cause glycogenolysis; monitor glucose closely.

🦁 Erik's Tip

"Time is Muscle!" Irreversible damage starts in just 20 minutes. Never wait for lab results if the ECG shows ST elevationβ€”get them to the cath lab immediately!

πŸ“– Chapter 3: Clinical Manifestations and Complications of MI

What this chapter covers: This chapter details the multi-system response to a heart attack. It covers the classic "crushing" pain, sympathetic nervous system triggers (diaphoresis, tachycardia), and life-threatening complications like cardiogenic shock and ventricular rupture.

🩺 Key Medical Concepts

ComplicationClinical SignsSignificanceManagement
DysrhythmiasPVCs, VT, or VF.Leading cause of prehospital death.Continuous ECG; ACLS protocols.
Heart FailureCrackles, S3/S4, dyspnea, JVD.Reduced pumping power of the LV/RV.Diuretics, ACE inhibitors.
Cardiogenic ShockHypotension, tachycardia, cool skin.Severe LV failure; high mortality.IABP, Vasoactive drugs (Dopamine).
PericarditisSharp pain, friction rub, relief sitting up.Inflammation 2-3 days post-MI.High-dose Aspirin.

πŸ”¬ Multiple Choice Example

Question: A nurse hears a new, loud holosystolic murmur in a patient who had an MI 3 days ago. The patient is becoming hemodynamically unstable. What is the likely cause?
A) Dressler Syndrome
B) Papillary Muscle Rupture
C) Normal healing process
D) Atrial Fibrillation

Answer: B
Explanation: Papillary muscle rupture causes acute mitral regurgitation and a new murmur, leading to rapid shock.

⚠️ Common Mistakes

❌ Mistake 1: Expecting all MI patients to have "crushing" chest pain.
βœ… How to avoid: Look for "silent" signs in women (fatigue), diabetics (neuropathy), and the elderly (confusion).

❌ Mistake 2: Administering Nitroglycerin for pericarditis pain.
βœ… How to avoid: Pericarditis pain is inflammatory/positional; use Aspirin and positioning instead.

🦁 Erik's Tip

If a patient says their pain gets better when they lean forward, it's likely Pericarditis, not a new MI. Listen for that "leather-rubbing-leather" friction rub!

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