WCL Staff Nurse - 2019
Medical & Surgical Nursing
Hard

A patient suspected of having Pheochromocytoma complaining of palpitation, sweating and headache. Which assessment is essential?

Appeared in: WCL Staff Nurse - 2019

Explanation

  • Pheochromocytoma is a tumor of the adrenal medulla that secretes excessive amounts of catecholamines (epinephrine and norepinephrine).
  • This hormonal surge leads to the classic triad of symptoms: palpitations, headache, and profuse sweating (diaphoresis).
  • The most dangerous consequence of this catecholamine release is severe hypertension, which can be paroxysmal or sustained.
  • Assessing blood pressure is the most critical and essential action to monitor for a hypertensive crisis and prevent life-threatening complications like stroke, myocardial infarction, or dissecting aneurysm.

Why Other Options Were Wrong

  • Option A: This assesses neurological function related to the brainstem and cranial nerves, which is not a primary or direct indicator of a pheochromocytoma crisis. While severe hypertension can cause neurological changes, pupillary reaction is not the initial priority assessment.
  • Option B: This is not a standard or recognized medical assessment term. It does not provide any clinically relevant data for this condition.
  • Option D: Catecholamine excess can cause hyperglycemia by stimulating glycogenolysis. While monitoring blood glucose is important, it is not the most essential initial assessment. The immediate life-threatening risk is from severe hypertension, not high blood sugar.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Use the key finding related to Priority nursing assessment for a patient with suspected pheochromocytoma to guide bedside assessment, documentation, and the next nursing action.
  • A nurse's priority in caring for a patient with suspected pheochromocytoma is the prompt recognition and management of a hypertensive crisis. This involves frequent and accurate BP monitoring.
  • A critical patient safety measure is to avoid palpating the abdomen, as this can manipulate the tumor and trigger a massive release of catecholamines, precipitating a severe hypertensive crisis.
  • What if? If the patient's blood pressure was 210/120 mmHg, the nurse's immediate action would be to administer a rapid-acting alpha-blocker (like phentolamine) as prescribed, place the patient in a high-Fowler's position, and notify the physician immediately, as this is a medical emergency.
How to Approach the Question
  • First, identify the key terms in the question: 'Pheochromocytoma,' 'palpitation,' 'sweating,' and 'headache.'
  • Recognize that these three symptoms form the classic triad for pheochromocytoma.
  • Recall the pathophysiology of this condition: a tumor of the adrenal medulla releases excess catecholamines.
  • Connect the pathophysiology to the most immediate life-threatening risk. The surge of catecholamines causes severe hypertension.
  • Evaluate the options based on this priority. Assessing blood pressure directly measures this critical parameter.
  • Eliminate the other options: Pupillary reaction is a secondary assessment, 'hand gap' is not a valid term, and blood glucose is a less immediate priority than blood pressure.
Concept Tested & Keywords
  • Concept Tested: Priority nursing assessment for a patient with suspected pheochromocytoma.
  • Stem keywords: Pheochromocytoma, palpitation, sweating, headache, essential assessment
  • Lead-in keywords: essential
  • Clinical cues: The combination of palpitations, sweating, and headache is the classic triad for pheochromocytoma, strongly suggesting a hypertensive crisis.

Question ID

QXGr79HXatcSSlSJ8UlP9m

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 4 p. 33-35

E6 Medicine Harrison 22e Part 2 p. 978-980

Practise the full WCL Staff Nurse - 2019

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