Diagnostic procedure done for heart disease is?

IGNOU Post B. SC. Nursing entrance-2019

Medical Surgical Nursing

Easy

Appeared in: IGNOU Post B. SC. Nursing entrance-2019

Explanation

An Electrocardiogram (ECG) is a primary diagnostic tool for heart disease.
It records the electrical signals generated by the heart, allowing for the assessment of its rhythm and the detection of abnormalities.
According to medical texts, the ECG plays an indispensable role in diagnosing conditions like acute coronary syndromes (e.g., heart attack), cardiac arrhythmias (irregular heartbeats), and pericarditis.
It is a quick, painless, and non-invasive procedure, making it a first-line investigation for patients with symptoms like chest pain or palpitations.

Option A: Electromyography (EMG) measures the electrical activity of muscles and the nerves that control them, not the heart.
Option B: Ultrasonography (USG) is a general term for imaging with sound waves. While an ultrasound of the heart (Echocardiogram) is a key cardiac diagnostic tool, ECG is the specific test for the heart's electrical activity, which is a fundamental aspect of diagnosing 'heart disease'.
Option D: Electroencephalogram (EEG) measures the electrical activity of the brain, not the heart.

Clinical Relevance

Nursing practice connection: Knowing Cardiovascular Diagnostic Procedures helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A nurse's primary role during an ECG is to ensure accurate results. This includes correct placement of the 12 leads, ensuring the patient is relaxed and still to prevent muscle tremor artifacts, and documenting any symptoms the patient experiences during the test.
Prompt ECG acquisition is critical in emergencies. For a patient presenting with chest pain, a 12-lead ECG should be obtained within 10 minutes of arrival to quickly identify or rule out a myocardial infarction.
What if? If a patient has a pacemaker, the ECG will show pacemaker spikes. The nurse should be able to recognize these and understand that the underlying rhythm is being paced. The ECG is still valuable for assessing pacemaker function and detecting any other cardiac events.

How to Approach the Question

First, identify the key subject of the question, which is 'heart disease'.
Next, analyze the options provided. All are abbreviations for diagnostic tests.
Recall or deduce the meaning of each abbreviation and the organ system it relates to: EMG (muscles), USG (general ultrasound), ECG (heart), EEG (brain).
Match the diagnostic test to the organ system in the question. ECG is the only option specifically designed to assess the heart's electrical function.
Eliminate the other options because they test different body systems (EMG for muscles, EEG for brain) or are too general (USG).

Concept Tested & Keywords

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