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Magnetic fields have several effects on pacemakers (and defibrillators).
First, most devices react to a magnetic field by changing mode. Defibrillators will often shut down their tachy mode in the presence of a magnet. Depending on the programming, you can sometimes actually disable and reenable the device with a magnet.
Second, a pacemaker/defibrillator is connected to the heart with a wire. That wire can act as an antenna. In the presence of a pulsating magnetic field, that can induce voltage spikes on the wire. Depending on the strength and frequency of the field, those spikes can interfere with the device, potentially confusing it into thinking you have an arrhythmia, potentially causing it to react.
Third, in the worst case, a very strong pulsating field, such as that in an MRI, can damage the device, with potentially lethal consequences to the patient.
What else can I help you with?
Do magnetic underlays affect peacemakers?
Magnetic underlays affect on pacemakers are theorized currently. There are theories that they do have an effect on blood supply if used while there are some theories that do not support this concept. I would suggest consulting with your physician.
Do magnetic fields affect camera film?
No
What types of materials affect a magnetic field?
Materials that are ferromagnetic, such as iron, nickel, and cobalt, strongly affect magnetic fields. Other materials like paramagnetic and diamagnetic materials can also affect magnetic fields to a lesser extent. Factors such as the composition, structure, and magnetic properties of a material can influence how it interacts with magnetic fields.
How does an EMP device effect pacemakers?
How does an Electro magnetic pulse device effect pacemakers
What does magnetic fields affect?
it affects the other planets and its rotation
Does the temperature of a magnet affect its magnetic fields lines?
yes
Do black holes have magnetic fields and if so, how do they affect the surrounding environment?
Yes, black holes can have magnetic fields. These magnetic fields can affect the surrounding environment by influencing the behavior of matter and radiation near the black hole. The magnetic fields can cause particles to spiral around the black hole, emit radiation, and create powerful jets of material that shoot out into space.
How do magnetic fields from currents in a wire interact with a cylindrical shell?
When a current flows through a wire, it creates a magnetic field around it. This magnetic field can interact with a cylindrical shell by inducing currents in the shell, which can in turn create their own magnetic fields. The interaction between the magnetic fields from the wire and the shell can affect the distribution of currents and magnetic fields in the system.
Do magnetic fields affect X Rays?
No, magnetic fields do not affect X-rays. X-rays are a form of electromagnetic radiation, while magnetic fields affect charged particles. Therefore, magnetic fields do not interact with X-rays in the same way they do with charged particles.
Can a magnetic field pass through rubber?
Yes, magnetic fields can pass through rubber materials as long as the rubber is not a magnetic material itself. Rubber is typically a non-magnetic material and does not significantly affect the passage of magnetic fields.
Does prolonged exposure to magnetic fields affect the human brain?
If the field is strong enough, then yes.
Does current affect electromagnetism?
Does current affect electromagnetism? No. Does current affect magnetic fields? Yes. The laws (Maxwell's Equations) pertaining to electromagnetism is constant and will not change regardless of current applied. However, Maxwell's equations does dictate that a change in current will essentially result in a change in magnetic fields. Current flow will produce a magnetic field perpendicular to the current direction.
