Dr. Desh Bandhu Bajpai invented 4 dimensional Electrocardiography (4D ECG/EKG) which can diagnose cardiac disorders as well as other body system problems simultaneously. Conventional 12-lead ECGs only detect cardiac issues, whereas 4D ECG uses 40 leads to assess conditions of the lungs, liver, pancreas, kidneys, digestive system, muscles, and nerves. This provides a more comprehensive examination than separate scans and tests, expediting diagnosis and ruling out other potential medical problems.