Dr. Thomas Klein is a board-certified clinical hematologist serving as Chief Medical Officer at Kantesti AI. With over 15 years of experience in laboratory medicine and a strong interest in AI-supported interpretation of blood test results, he works to connect new technology with everyday clinical practice. His areas of interest include biomarker analysis, clinical decision support research and population-specific reference range optimization. As CMO, he contributes clinical input to the platform's internal benchmarking and provides clinical oversight for the medical quality of Kantesti's educational reports.

Blood Test Before Surgery: Labs, Timing, Red Flags

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Preoperative Testing Lab Interpretation 2026 Update Patient-Friendly Most pre-op blood work is not a fishing expedition. It is a safety check for anemia, kidney function, electrolytes, clotting risk, diabetes control, pregnancy status, and transfusion planning. 📖 ~11 minutes 📅 April 27, 2026 📝 Published: April 27, 2026 🩺 Medically Reviewed: April 27, 2026 ✅ Evidence-Based […]

Resultater av blodprøve ved PCOS: Hormoner, insulin, betydning

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PCOS Lab Interpretation 2026 Update Patient-Friendly A practical physician-led guide to the hormone and metabolic patterns that support PCOS diagnosis, including why normal labs can still leave PCOS on the table. 📖 ~11 minutes 📅 April 27, 2026 📝 Published: April 27, 2026 🩺 Medically Reviewed: April 27, 2026 ✅ Evidence-Based This guide was written […]

Referanseområde for urinsyre: giktfare og høye verdier

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Uric Acid Lab Interpretation 2026 Update Patient-Friendly A uric acid result is easy to misread if you ignore sex, kidney function, medication timing, alcohol, hydration, and whether the test was taken during a gout flare. 📖 ~11 minutes 📅 April 27, 2026 📝 Published: April 27, 2026 🩺 Medically Reviewed: April 27, 2026 ✅ Evidence-Based […]

Normalområde for blodsukker etter måltid: 1–2 timers veiledning

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Glucose Guide Lab Interpretation 2026 Update Patient-Friendly Post-meal glucose is supposed to rise. The clinical question is how high, how long, and whether you are comparing the result with the right timing cutoff. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: April 26, 2026 🩺 Medically Reviewed: April 26, 2026 ✅ Evidence-Based This guide […]

Hva betyr høyt TSH? Mønstre for fritt T4 og neste steg

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Thyroid Pattern Guide Lab Interpretation 2026 Update Patient-Friendly A high TSH result is not one diagnosis. The next step depends mainly on Free T4, antibody status, pregnancy, age, symptoms, and whether the result repeats. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: April 26, 2026 🩺 Medically Reviewed: April 26, 2026 ✅ Evidence-Based This […]

High Lymphocytes Percent but Normal Count: CBC Meaning

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CBC Differential Lab Interpretation 2026 Update Patient-Friendly A high lymphocyte percentage can look scary on a CBC, but the absolute lymphocyte count is the number doctors usually act on first. The trick is knowing when a percentage is just a mathematical shift—and when it deserves follow-up. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: […]

Referanseområde for WBC etter alder, graviditet og oppfølging

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CBC Guide Lab Interpretation 2026 Update Patient-Friendly White blood cell counts move with age, pregnancy, stress, medicines, and infection. The safest interpretation comes from the differential count, symptoms, and whether the result is new or persistent. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: April 26, 2026 🩺 Medically Reviewed: April 26, 2026 ✅ […]

Referanseområde for eGFR etter alder: Når nyretall betyr noe

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Kidney Function Lab Interpretation 2026 Update Patient-Friendly A mildly low eGFR can be normal aging, dehydration, muscle effects, or early kidney disease. The difference usually comes from trend, urine albumin, and whether creatinine is moving. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: April 26, 2026 🩺 Medically Reviewed: April 26, 2026 ✅ Evidence-Based […]

ALT Blood Test: Normal Ranges and When High ALT Matters

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Liver Enzymes Lab Interpretation 2026 Update Patient-Friendly For most adults, ALT is roughly 7-35 U/L in women and 10-40 U/L in men, but labs vary. The real question is when a borderline result is just noise and when it is the first clue to liver disease. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: […]

Referanseområde for HbA1c etter alder: Høye verdier nær grenseverdien

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Endocrinology Lab Interpretation 2026 Update Patient-Friendly The cutoff on the lab report stays mostly the same across adulthood, but risk and follow-up do not. I rarely interpret a 5.6% result the same way in a 28-year-old and an 82-year-old. 📖 ~11 minutes 📅 April 26, 2026 📝 Published: April 26, 2026 🩺 Medically Reviewed: April […]