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.

Trichomoniasis Test: Timing, Accuracy and Results

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Sexual Health Lab Interpretation 2026 Update Patient-Friendly A trichomoniasis test is most reliable when the sample type fits your anatomy and symptoms. Timing matters too: a negative result immediately after exposure does not always close the case. 📖 ~11 minutes 📅 September 16, 2026 📝 Published: September 16, 2026 🩺 Medically Reviewed: September 16, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified […]

Renal Tubular Acidosis Labs: Patterns and Next Steps

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Kidney Health Lab Interpretation 2026 Update Patient-Friendly Renal tubular acidosis usually causes a normal-anion-gap, high-chloride metabolic acidosis. The decisive clues are potassium, urine pH, urine ammonium surrogates and whether kidney function is otherwise preserved. 📖 ~10-12 minutes 📅 September 16, 2026 📝 Published: September 16, 2026 🩺 Medically Reviewed: September 16, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical hematologist and […]

Cholecystitis Blood Test Results: What They Can Miss

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Gallbladder Health Lab Interpretation 2026 Update Patient-Friendly A raised white count, CRP, or liver enzyme can support suspected gallbladder inflammation, but none can diagnose it alone. The more useful question is whether the laboratory pattern fits the pain, examination, and imaging findings. 📖 ~11 minutes 📅 September 16, 2026 📝 Published: September 16, 2026 🩺 Medically Reviewed: September 16, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. […]

Sjögren Syndrome Symptoms: Dryness, Tests and Next Steps

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Autoimmune Health Lab Interpretation 2026 Update Patient-Friendly Persistent gritty eyes and a mouth that needs water to swallow can be early clues to an autoimmune condition, not simply ageing or dehydration. The diagnostic pathway combines symptom history, objective gland tests, blood work, and sometimes a small salivary-gland sample. 📖 ~11 minutes 📅 September 16, 2026 📝 Published: September 16, 2026 🩺 Medically Reviewed: September 16, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD […]

Von Willebrand Disease Symptoms: Bleeding Patterns and Tests

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Bleeding Disorders Lab Interpretation 2026 Update Patient-Friendly Frequent nosebleeds, prolonged dental bleeding, heavy periods, and bruises that appear out of proportion to an injury can point to von Willebrand disease. The pattern over a lifetime matters more than any single bruise or normal screening test. 📖 ~11 minutes 📅 September 16, 2026 📝 Published: September 16, 2026 🩺 Medically Reviewed: September 16, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, […]

Subacute Thyroiditis Blood Test Results and Recovery Timeline

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Thyroid Health Lab Interpretation 2026 Update Patient-Friendly Subacute thyroiditis can make thyroid results look contradictory from one week to the next. The sequence of TSH, free T4, free T3, ESR and CRP usually explains why. 📖 ~11 minutes 📅 September 15, 2026 📝 Published: September 15, 2026 🩺 Medically Reviewed: September 15, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical hematologist […]

MASLD Tests: Labs, Fibrosis Scores and Imaging

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Liver Health Lab Interpretation 2026 Update Patient-Friendly Metabolic dysfunction associated steatotic liver disease is assessed with a liver panel, metabolic blood tests, a fibrosis score such as FIB-4, and—when indicated—ultrasound or elastography. Normal liver enzymes do not exclude MASLD; the central clinical task is identifying the smaller group with significant fibrosis before cirrhosis develops. 📖 ~12 minutes 📅 September 15, 2026 📝 Published: September 15, 2026 🩺 Medically Reviewed: September 15, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, […]

EtG Test Explained: Detection Windows, Cutoffs and Results

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Alcohol Testing Lab Interpretation 2026 Update Patient-Friendly A urine EtG result records recent ethanol exposure, not drunkenness, alcohol use disorder, or a precise drinking date. Here is how clinicians read the number without overclaiming what it can prove. 📖 ~11 minutes 📅 September 15, 2026 📝 Published: September 15, 2026 🩺 Medically Reviewed: September 15, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a […]

Hemoglobin Electrophoresis: HbA, HbS and HbC Patterns

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Hemoglobin Disorders Lab Interpretation 2026 Update Patient-Friendly Hemoglobin fractions can identify a carrier pattern or suggest a hemoglobin disorder, but the percentage alone rarely tells the entire story. Age, transfusion history, red-cell indices and confirmatory testing change the interpretation. 📖 ~11 minutes 📅 September 15, 2026 📝 Published: September 15, 2026 🩺 Medically Reviewed: September 15, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is […]

Bile Acids Blood Test: Itching and Urgent Care

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Liver Health Lab Interpretation 2026 Update Pregnancy Safety Persistent itch can be a skin problem, a medication effect, or an early signal of impaired bile flow. During pregnancy, the same symptom deserves same-day maternity advice—even when the first result is normal. 📖 ~11 minutes 📅 September 15, 2026 📝 Published: September 15, 2026 🩺 Medically Reviewed: September 15, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas […]