Which is not included in APACHE score
**Core Concept**
The Acute Physiology and Chronic Health Evaluation (APACHE) score is a severity-of-disease classification system used to predict the outcome of critically ill patients. It takes into account various physiological and laboratory parameters to assess the severity of illness. The APACHE score has undergone several revisions, with the most widely used being APACHE II.
**Why the Correct Answer is Right**
The APACHE II score includes several variables such as temperature, mean arterial pressure, heart rate, respiratory rate, oxygenation, arterial pH, serum sodium, serum potassium, creatinine, hematocrit, white blood cell count, and Glasgow Coma Scale. These parameters are used to calculate the patient's severity of illness.
**Why Each Wrong Option is Incorrect**
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**Clinical Pearl / High-Yield Fact**
It's essential to note that the APACHE score is not a perfect predictor of patient outcome and should be used in conjunction with clinical judgment. The APACHE score can be influenced by various factors, including comorbidities and the underlying cause of illness.
**Correct Answer:**
Please provide the correct answer options to complete the explanation.