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Favorites Specialties Drugs Guidelines Most Used

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A-a Gradient Asthma Control Test (ACT)BODE Index BSI (Bronchiectasis Severity Index)CAT Score (COPD Assessment)FEV1/FVC Interpreter GAP Index GOLD Spirometric Grading Light's Criteria P/F Ratio (PaO2/FiO2)STOP-BANG Score Winter's Formula mMRC Dyspnea Scale

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Recent Journal Updates

DiabetologiaJun 6, 2026

Plasma small RNA profiling reveals a three-miRNA signature associated with early beta cell dysfunction across glucose tolerance stages

Clinical Context

We think this has broad domain relevance to Aa Gradient.

DiabetologiaJun 5, 2026

MASLD, diabetes and PMOS across the female life stages

Clinical Context

We think this has broad domain relevance to Aa Gradient.

Cancer MedicineJun 5, 2026

Bone Marrow Failure Model Mimics Aplastic Anemia Patients: Single‐Cell Landscape of Immune Response Reveals Novel Mechanisms of Immune Imbalance in AA

Clinical Context

We think this has broad domain relevance to Aa Gradient.

A-a Gradient

Pulmonary & Critical Care

ABG & Environmental Parameters

Patient Ageyrs

Arterial PaCO2mmHg

Arterial PaO2mmHg

Inspired O2 (FiO2)%

Ready to Analyze

Enter arterial blood gas (ABG) values and patient age to calculate oxygenation efficiency across the alveolar membrane.

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

Last Comprehensive Review: 2026

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mMRC Dyspnea Scale

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