41. A recent method of diagnosing detachment of the retina by examining the eyeground with a three-mirror glass devised by Professor Goldman of Berne, Switzerland Subject(s): OphthalmologyEquipment and SuppliesWorld Health Organization
42. Electro-retinogram: modern apparatus devised to measure the electric potential of the retina Subject(s): Equipment and SuppliesWorld Health Organization
43. [Miniature transmitter used to monitor heartbeats] Subject(s): Cardiovascular DiseasesEquipment and SuppliesWorld Health Organization
44. The sound of the dog's heartbeats is picked up by a microphone stuck to his fur Subject(s): Cardiovascular DiseasesEquipment and SuppliesWorld Health Organization
45. The passage of the dye through the blood vessels is recorded by two small photo-electric cells Subject(s): Cardiovascular DiseasesEquipment and SuppliesWorld Health Organization
46. Dr. [Zdenek] Rychter produces his own tools for his very delicate operations Subject(s): Cardiovascular DiseasesEquipment and SuppliesWorld Health Organization
47. Measuring the blood pressure Subject(s): Equipment and SuppliesNursesStethoscopesWorld Health Organization
48. [Swiss physician is checking an elderly patient's blood pressure] Subject(s): AgedPhysiciansEquipment and SuppliesWorld Health Organization
49. Public health nurse checks blood pressure of an elderly patient. Such routine checks will help to reduce the threat of heart attacks and strokes in this high-risk area of Finland Subject(s): AgedCardiovascular DiseasesPublic HealthNursesEquipment and SuppliesWorld Health Organization
50. Hypertension detection team at work in India. A standard method of compiling the data from such surveys has been suggeseted by WHO, but it is a flexible system and can be modified to suit local conditions Subject(s): Cardiovascular DiseasesHealth PersonnelPublic HealthEquipment and SuppliesWorld Health Organization