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.
Joint HealthOsteoarthritisDiagnostic Testing The first warning signs are usually joint pain during or after activity, stiffness after rest that generally lasts under 30 minutes, and gradually reduced movement. Knees may hurt on stairs, hips when putting on socks, and hands when gripping. Blood tests cannot confirm osteoarthritis; a hot, rapidly swollen joint needs urgent assessment. […]
AsthmaBreathing TestsLab Interpretation Asthma can cause changing breathlessness, nighttime cough or exercise symptoms—even when nobody hears a wheeze. Breathing tests matter more than an isolated laboratory result. Medically reviewed by Thomas Klein, MD Published 11 November 202619 min read 🧪Kantesti gives you a complete biomarker analysis with AI in under a minute, no signup needed.Try […]
Fructose MalabsorptionBreath TestingTest Interpretation A positive breath result shows limited absorption under test conditions, not a reason to ban every fruit. Symptoms, fructose dose and test quality determine whether the finding should change your diet. Medically reviewed by Thomas Klein, MD Published 11 November 202617 min read 🔬Kantesti reads your blood test like a clinician […]
Thyroid Eye DiseaseEye SymptomsLab Interpretation Eye pain needs immediate assessment if vision becomes dimmer, colors look washed out, or part of your visual field disappears. Thyroid eye disease can occur with normal thyroid hormone levels; new difficulty closing an eyelid also needs prompt assessment because the cornea may be exposed. Medically reviewed by Thomas Klein, […]
AcromegalyHormone TestingLab Interpretation Progressively larger hands or feet, a changing jaw, wider tooth spacing, increased sweating and sleep apnea can suggest acromegaly—especially when several changes develop together. Symptoms cannot confirm it; clinical assessment and an age-adjusted IGF-1 blood test are needed. Medically reviewed by Thomas Klein, MD Published 10 November 202619 min read 📊Upload your […]
DVTLeg SwellingDiagnostic Testing New, unexplained swelling in one leg needs same-day assessment, even if the pain is mild. Sudden breathlessness, chest pain, coughing up blood or fainting requires emergency care—not an online test. Medically reviewed by Thomas Klein, MD Published 10 November 202619 min read 🩺Get a complete AI blood test analysis from Kantesti in […]
Mental HealthClinical AssessmentTest Limitations Schizophrenia symptoms can include hallucinations, delusions, disorganized speech, reduced motivation, and cognitive difficulties. Early changes alone do not establish schizophrenia: clinical assessment does, and immediate danger, severe confusion, or inability to meet basic needs requires urgent help. Medically reviewed by Thomas Klein, MD Published 10 November 202619 min read 🧬Trusted by […]
IL-6Lab Interpretation Elevated interleukin-6 can reflect infection, immune-mediated inflammation or tissue stress, but one result cannot diagnose infection, autoimmune disease or cancer. Timing, medicines and laboratory methods can substantially change its meaning. Medically reviewed by Thomas Klein, MD Published 10 November 202617 min read 🔬Kantesti analyzes your blood test results with AI in under 60 […]
SciaticaNerve HealthDiagnostic Testing Sciatica usually starts with irritation of a lower-back nerve root, often from a herniated disc or spinal narrowing. Diagnosis depends on the pain pattern and neurological examination—not routine bloodwork—with MRI reserved for warning signs or decisions that could change treatment. Medically reviewed by Thomas Klein, MD Published 10 November 202618 min read […]
BRCA1 / BRCA2Genetic ResultsCancer Risk A pathogenic BRCA1 or BRCA2 variant increases inherited cancer risk; it does not diagnose cancer. A variant of uncertain significance should not drive preventive surgery. A negative result is a true negative only when it excludes a known familial variant—otherwise, it may leave inherited risk unresolved. Medically reviewed by Thomas […]