Technical Guide

Integration Specifications

Aranga is designed for flexible integration across deployment scenarios, from OEM device embedding to enterprise health system deployments.

REST / gRPC
Interfaces
Edge or Cloud
Deployment
HL7 / FHIR
Standards

Data Requirements

Minimum viable input set and optional signals for enhanced performance.

Required Inputs

Heart Rate
Every 1-5 min
Blood Pressure (SBP/DBP or MAP)
Every 1-5 min
Respiratory Rate
Every 1-5 min
SpO2
Every 1-5 min
Temperature
Every 15-60 min

Optional Inputs

Lactate
Improves sepsis phenotype
Creatinine
Renal risk assessment
BNP/NT-proBNP
Cardiac phenotype
Vasopressor events
Treatment context
Fluid balance
Volume status

Timing Requirements

  • • Timestamps required for all inputs (as-of-time semantics)
  • • System handles irregular sampling intervals
  • • Minimum recommended: vital signs every 1-5 minutes

Output Specification

Output
Format
Description
Risk Score
Continuous 0-100
Overall hemodynamic risk
Alert State
Green/Amber/Red
Configurable thresholds
Phenotype Probabilities
JSON object
Cardiogenic, Distributive, Hypovolemic, Obstructive
Confidence Interval
Numeric range
Uncertainty quantification
Audit Record
Structured log
Full decision trace

Deployment Options

Cloud API

Hosted inference endpoint

Health system integration

  • REST API (JSON)
  • Standard authentication
  • SLA available

Edge Gateway

On-premise container

Low-latency, data residency

  • Docker/Kubernetes
  • ~2GB RAM
  • Air-gapped option

Device SDK

Embedded library

OEM monitor integration

  • ARM64/x86_64
  • ~500MB footprint
  • C++/Python bindings

Interfaces

REST API

Standard web integration with JSON payloads

gRPC

Low-latency streaming for embedded applications

HL7 FHIR R4

Resource mappings for Observation, RiskAssessment

HL7v2

ADT/ORU message handling guidance provided

What We Need From Partners

To scope an integration, we require the following information:

Signal list and data dictionary
Sampling rates and data quality characteristics
Target deployment environment
Security and compliance requirements
Clinical workflow context and use case
Existing EWS or alerting system details

Pilot Engagement Outline

Our standard engagement process for new partner evaluations.

Phase 1

Retrospective Validation

Duration: 4-8 weeks

  • Partner provides historical dataset
  • Aranga runs evaluation against partner data
  • Joint review of performance metrics
  • Comparison with existing EWS if applicable
Phase 2

Silent Prospective Deployment

Duration: 8-12 weeks

  • Integration into partner environment
  • System runs in parallel (no clinical alerts)
  • Performance monitoring and calibration
  • Data quality assessment
Phase 3

Clinical Utility Assessment

Duration: TBD with partner

  • Controlled clinical deployment
  • Alarm burden and workflow impact measurement
  • User feedback collection
  • Prospective outcome tracking (if IRB approved)

Start the Integration Discussion

Contact us to discuss your integration requirements and receive detailed technical documentation under NDA.