A common measure of the severity of a disease, based on current physiological parameters, age and previous health conditions, is the

Appeared in: DSSSB 12 August 2024

Explanation

The APACHE score stands for Acute Physiology and Chronic Health Evaluation, which directly corresponds to the components mentioned in the question.
It is a severity-of-illness (SOI) scoring system used to classify patients in the Intensive Care Unit (ICU).
The score is calculated using 12 physiological variables, the patient's age, and their chronic health status.
A higher APACHE score is associated with a higher risk of hospital mortality.

Option A: The TIMI (Thrombolysis in Myocardial Infarction) score is specific to cardiology. It assesses the risk of mortality and ischemic events in patients with acute coronary syndromes, not general disease severity.
Option B: The AVPU (Alert, Voice, Pain, Unresponsive) scale is a simplified, rapid method to assess a patient's level of consciousness. It does not incorporate physiological parameters, age, or chronic health.
Option D: The GCS (Glasgow Coma Scale) is a more detailed tool for assessing consciousness, primarily used for patients with head injuries. While it is a component of the APACHE score, it does not by itself measure overall disease severity based on general physiology, age, and chronic health.

Clinical Relevance

Nursing practice connection: Knowing Severity of illness scoring systems in critical care helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses in critical care settings frequently calculate and monitor APACHE scores to track patient progress, identify deterioration, and communicate the severity of a patient's condition to the healthcare team.
Understanding these scores helps in prioritizing care, anticipating potential complications, and participating in discussions about patient prognosis and goals of care.
What if? If a patient in the ICU has a sudden drop in their Glasgow Coma Score (GCS), the nurse's immediate action would be a focused neurological assessment and notifying the physician, as this indicates a specific neurological decline, even if the overall APACHE score hasn't been recalculated yet.

How to Approach the Question

First, carefully read the question and identify the key components it asks for: 'current physiological parameters', 'age', and 'previous health conditions'.
Next, consider the names and purposes of the scoring systems provided in the options.
Recognize that 'APACHE' stands for 'Acute Physiology and Chronic Health Evaluation'.
Directly match the components in the name 'APACHE' to the requirements listed in the question stem.
Eliminate the other options by recalling their specific, more narrow applications (TIMI for cardiac, AVPU/GCS for consciousness).

Concept Tested & Keywords

Concept Tested: Severity of illness scoring systems in critical care.
Stem keywords: severity of disease, physiological parameters, age, previous health conditions
Lead-in keywords: is the

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Practise the full DSSSB 12 August 2024

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