Cardiac conditions. Certain subtypes of troponin (cardiac I and T) are very sensitive and specific indicators of damage to the heart muscle (myocardium). They are measured in the blood to differentiate between unstable angina and myocardial infarction (heart attack) in people with chest pain or acute coronary syndrome.
Virtual reality (VR) typically refers to computer technologies that use virtual reality headsets to generate the realistic images, sounds and other sensations that replicate a real environment or create an imaginary setting. VR also simulates a user's physical presence in this environment.
getting off track. So Vrms, Vdc, Vac -- Actually only the Vrms in this case is specific. Vac - is a generic ( ambiguous ) term for Voltage of an Alternating Current Waveform - the Current term is misleading as well - but that is what the world has settled on! -- V ac does not define how this is measured.