Johnson & Johnson, together with its subsidiaries, engages in the research and development, manufacture, and sale of various products in the healthcare field worldwide. It operates in two segments, Innovative Medicine and MedTech. The Innovative Medicine segment offers products for various therapeutic areas, such as immunology, including rheumatoid arthritis, psoriatic arthritis, inflammatory bowel disease, and psoriasis; infectious diseases comprising HIV/AIDS; neuroscience, consisting of mood disorders, neurodegenerative disorders, and schizophrenia; oncology, such as prostate cancer, hematologic malignancies, lung cancer, and bladder cancer; cardiovascular and metabolism, including thrombosis, diabetes, and macular degeneration; and pulmonary hypertension comprising pulmonary arterial hypertension through retailers, wholesalers, distributors, hospitals, and healthcare professionals for prescription use. The MedTech segment provides electrophysiology products to treat heart rhythm disorders; the heart recovery portfolio, which includes technologies to treat severe coronary artery disease requiring high-risk PCI or AMI cardiogenic shock; circulatory restoration products for the treatment of calcified coronary artery and peripheral artery diseases; and neurovascular care that treats hemorrhagic and ischemic stroke.