Acute Physiology and Chronic Health Evaluation (APACHE II) Calculator
Acute Physiology and Chronic Health Evaluation (APACHE II)
APACHE II ("Acute Physiology And Chronic Health Evaluation II") is a disease severity classification system (Knaus et al., 1985). It is applied within 24 hours of a patient's admission to the intensive care unit: an integer score from 0 to 71 is calculated from several measurements; higher scores correspond to more severe disease and a higher risk of death. The first APACHE model was presented by Knaus et al. in 1981.
APACHE II was designed to measure disease severity in adult patients admitted to intensive care units. It has not been validated for use in children or young people under the age of 16.
This scoring system is used in several ways, including:
Certain procedures or medications are only given to patients with a certain APACHE II score
The APACHE II score can be used to describe a patient's morbidity when comparing results with other patients.
The predicted mortalities are averaged for groups of patients in order to specify the morbidity of the group.
Even though newer notation systems, such as APACHE III, have replaced APACHE II in many places, APACHE II continues to be widely used as a large amount of documentation is based on it.
Acute Physiology and Chronic Health Evaluation (APACHE II) Calculator
The APACHE II score (Acute Physiology and Chronic Health Evaluation II) is a score used to assess the severity of a patient and is one of the scores used in intensive care and resuscitation. It can be calculated within 24 hours of patient admission.