Question 1

What conditions does SamaWritten detect?

Accepted Answer

Atrial fibrillation, tachycardia, bradycardia, sleep apnea, HRV disorders, anaemia (non-invasive), heart failure decompensation up to 6.5 days early, cuffless blood pressure trend, and 20+ cardio-metabolic conditions.

Question 2

How is SamaWritten clinically validated?

Accepted Answer

182-participant study against an NABL-accredited reference lab: SpO₂ mean bias −0.31% vs reference oximetry, haemoglobin r = 0.91 vs venous CBC, AF detection AUC 0.92, and equity within ±1.5% across all Monk Skin Tone categories.

Question 3

Does SamaWritten work without Wi-Fi?

Accepted Answer

Yes. SamaWritten has 2G built in. It alerts caregivers and clinicians without home internet.