TMC Staff Nurse - 2019
Medical & Surgical Nursing
Easy

Priority treatment for ventricular fibrillation includes?

Appeared in: TMC Staff Nurse - 2019

Explanation

  • Ventricular fibrillation (VF) is a pulseless, life-threatening cardiac arrest rhythm where the heart's ventricles quiver ineffectively, resulting in no blood flow.
  • The immediate priority is to provide artificial circulation to vital organs and to terminate the chaotic electrical rhythm.
  • High-quality Cardiopulmonary Resuscitation (CPR) provides this artificial circulation through chest compressions.
  • Rapid defibrillation is the only definitive treatment to deliver an electrical shock that stops the arrhythmia, allowing a normal rhythm to potentially resume.
  • This combination of CPR and defibrillation is the cornerstone of the Advanced Cardiac Life Support (ACLS) algorithm for shockable rhythms.

Why Other Options Were Wrong

  • Option A: A regular ECG is a diagnostic and monitoring tool. While essential for identifying VF, it is not the priority treatment itself. The immediate need is action (CPR and shock), not just observation.
  • Option B: Cardiac catheterization is a procedure to investigate and treat underlying causes, like coronary artery blockage. It is performed after the patient is stabilized, not during an active cardiac arrest.
  • Option D: Placing a patient in a suitable position (supine on a firm surface) is a necessary preparatory step to enable effective CPR, but it is not the treatment itself.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Priority management of ventricular fibrillation (VF) in acute care settings.
  • Nurses are often the first responders to an in-hospital cardiac arrest. Their ability to quickly recognize VF, start high-quality CPR, and activate the emergency response system (Code Blue) is critical.
  • Survival from VF decreases by approximately 7-10% for every minute that defibrillation is delayed. This highlights the extreme urgency of this intervention.
  • What if? If the patient's rhythm was asystole or Pulseless Electrical Activity (PEA), which are non-shockable rhythms, defibrillation would be contraindicated. The priority would be uninterrupted high-quality CPR and administration of epinephrine to try and stimulate cardiac activity.
How to Approach the Question
  • First, identify the clinical condition presented in the question: 'ventricular fibrillation.' Recognize this as a life-threatening cardiac arrest situation.
  • Next, note the keyword 'priority treatment.' This asks for the most critical and immediate life-saving action.
  • Recall the standard emergency protocols for cardiac arrest, specifically the ACLS (Advanced Cardiac Life Support) guidelines.
  • Differentiate between shockable rhythms (like VF) and non-shockable rhythms. VF requires an electrical shock.
  • Evaluate the options based on the ACLS algorithm. CPR and defibrillation are the immediate, primary interventions for VF.
  • Eliminate other options: ECG is for monitoring, cardiac catheterization is a post-stabilization procedure, and positioning is a preparatory step for CPR, not the treatment itself.
Concept Tested & Keywords
  • Concept Tested: Priority management of ventricular fibrillation (VF)
  • Stem keywords: Priority treatment, ventricular fibrillation
  • Lead-in keywords: includes

Question ID

QMvbu2FxDVAvL10OddN2fD

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 3 pp. 46-48, 45-47

E6 Medicine Harrison 22e Part 2 p. 240-242

Practise the full TMC Staff Nurse - 2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.