Dr. Esmond Khoo Zhen Lin is a distinguished Consultant Physician in Internal Medicine at KPJ Kuala Selangor Specialist Hospital, renowned for his holistic, evidence-based approach to adult healthcare. With extensive experience gained from a leading Malaysian tertiary referral hospital, he excels in diagnosing and managing complex, multi-systemic diseases, likening Internal Medicine to a 'detective' branch. His expertise spans advanced chronic disease management (hypertension, diabetes, hyperlipidemia), infectious diseases, respiratory and cardiovascular health, gastrointestinal and metabolic disorders, and comprehensive preventive care including health screenings and vaccinations. He also provides tailored care for elderly patients with polypharmacy.