Patient Severity Index (PSI)

Purpose: To evaluate the severity of a patient's illness using the Patient Severity Index of Horn et al.

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Evaluation

Are you evaluating the severity of a patient's condition?

Yes

Magnitude of principal diagnosis

Interacting and comorbid conditions

Rate of response to therapy

Residual problems after therapy

Complications

Dependence on people and equipment

Procedures performed outside of OR

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Patient severity index

Number of severe conditions

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Caution: A qualified health practitioner should verify all results.
Keep patient data confidential and comply with all legal requirements.

Please visit our website Medicalalgorithms.com for Description and Interpretation and further algorithms you may want to consider in the next steps of your evaluation. All information should be verified by a qualified health professional, and all use is subject to Medicalalgorithms.com Terms and Conditions. © Copyright Medicalalgorithms.com Limited

Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
Clinical Diagnosis, Including Family History For Genetics
Laboratory Tests
- Basic Metabolic Profile (BMP) Risk Score (Intermountain Risk Score)
Other Testing
Criteria For Diagnosis
- Pediatric Advanced Warning System (PAWS)
Severity, Prognosis, Stage
Complications
Differential Diagnosis And Mimics, Red Flags
Failure Handling, When To Refer

Therapy

Options
- Patient-At-Risk Early Warning Score
Selection
Failure Handling And Therapy Escalation
- Patient-At-Risk Early Warning Score
Prevention

Monitoring

Response To Therapy
- Vital Sign Score (VSS) for Evaluating a Patient in the ED
Adverse Effects
- Vital Sign Score (VSS) for Evaluating a Patient in the ED
Disease Progression
Complication Detection
- Modified Early Warning Score for a Hospital Inpatient
- Neonatal Trigger Score (NTS)

Societal Concerns

Economic Cost
- Ambulatory Severity Index (ASI)
Public Health

Objective

severity
prognosis
stage
disease progression
economic cost

ICD-10

Z51.9 - Medical care, unspecified

Info

Purpose: To evaluate the severity of a patient's illness using the Patient Severity Index of Horn et al.

Objective: severity, prognosis, stage, disease progression, economic cost

ICD-10: Z51.9,

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