Magnetic fields produced by steady currents in human and animal bodies. Semi-annual progress report 1 Jan--31 Jun 73
Technical Report
·
OSTI ID:7214511
The progress report describes efforts to utilize magnetic field measurements of the human body in clinical applications. Engineering developments, including the superconducting magnetometer system (SQUID), shielded closets, and degaussers, are briefly described. The application of magnetic detection in the diagnosis of some brain disorders is being investigated. The measurement of steady magnetic fields from injured hearts is also being studied for the purpose of producing a clinical instrument that can be widely used in the diagnosis of heart injury. A pilot study involving experimental infarctions in dogs is described. Additional experiments to improve accuracy and statistics are reported. Measurement of ferromagnetic materials in the lung is also being studied. Under certain conditions, it has been possible to assess the amount of Chrysotile asbestos in the lungs of mining and milling workers. Voluntary inhalation of magnetite as a tracer shows promise for being a valuable diagnostic technique.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge (USA). Francis Bitter National Magnet Lab.
- OSTI ID:
- 7214511
- Report Number(s):
- PB-267132; NSF/RANN/IT/GI-C670/PR-1/73/1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550600* -- Medicine
62 RADIOLOGY AND NUCLEAR MEDICINE
ANIMALS
BODY
BRAIN
CARDIOVASCULAR DISEASES
CARDIOVASCULAR SYSTEM
CENTRAL NERVOUS SYSTEM
CURRENTS
DATA
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
DOGS
ELECTRIC CURRENTS
FERROMAGNETIC MATERIALS
HEART
INFORMATION
LUNGS
MAGNETIC FIELDS
MAGNETIC MATERIALS
MAGNETOMETERS
MAMMALS
MAN
MATERIALS
MEASURING INSTRUMENTS
MEDICINE
MEETINGS
MYOCARDIAL INFARCTION
NERVOUS SYSTEM
ORGANS
PHYSIOLOGY
PRIMATES
RESPIRATORY SYSTEM
SUPERCONDUCTORS
VERTEBRATES
62 RADIOLOGY AND NUCLEAR MEDICINE
ANIMALS
BODY
BRAIN
CARDIOVASCULAR DISEASES
CARDIOVASCULAR SYSTEM
CENTRAL NERVOUS SYSTEM
CURRENTS
DATA
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
DOGS
ELECTRIC CURRENTS
FERROMAGNETIC MATERIALS
HEART
INFORMATION
LUNGS
MAGNETIC FIELDS
MAGNETIC MATERIALS
MAGNETOMETERS
MAMMALS
MAN
MATERIALS
MEASURING INSTRUMENTS
MEDICINE
MEETINGS
MYOCARDIAL INFARCTION
NERVOUS SYSTEM
ORGANS
PHYSIOLOGY
PRIMATES
RESPIRATORY SYSTEM
SUPERCONDUCTORS
VERTEBRATES