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Doctor insights on: How Often Does The Electric Shock Revive Someone Who Had A Cardiac Arrest

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Had cardiac MRI today, but during the scanning I got sever headaches like there where electric shock in one side of head. I have a Reveal LinQ,normal?

Had cardiac MRI today, but during the scanning I got sever headaches like there where electric shock in one side of head. I have a Reveal LinQ,normal?

MRI - Device Present: Some heart pacemakers and other devices are now being engineered to be MRI safe. Most stents are safe after a 6 to 12 week wait for the vessel wall lining to cover them with a fresh layer of cells. The implanting MD can tell you if it is safe to have a MRI.in all cases ...Read more

Dr. William Walsh
1,179 doctors shared insights

Shock (Definition)

Shock is a condition in which a person cannot circulate enough blood (carrying oxygen & nutrients) to the vital organs in the body. If shock persists, various parts of the body will stop working, and the person will die. Causes of shock include injuries, excessive bleeding, heart failure, infections, chemical imbalances, ...Read more


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How often does the electric shock revive someone who had a cardiac arrest?

How often does the electric shock revive someone who had a cardiac arrest?

Reset conduction: You heart has an electrical conduction system that controls how the heart muscle contracts. Often in cardiac arrest that conduction system is sending disordered electrical signals. The shock sometimes given during cpr/acls is an attempt to "reset" the conduction system so the electric signals go back to the proper order. ...Read more

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Had cardiac MRI today, but during the scanning I got sever headaches like there where electric shock in one side of head. I have a Reveal LinQ,normal?

MRI - Device Present: Some heart pacemakers and other devices are now being engineered to be MRI safe. Most stents are safe after a 6 to 12 week wait for the vessel wall lining to cover them with a fresh layer of cells. The implanting MD can tell you if it is safe to have a MRI.in all cases ...Read more

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How often does cpr work to revive someone from cardiac arrest?

How often does cpr work to revive someone from cardiac arrest?

It depends: With the exception of hypothermia (cold exposure) and certain drowning situations, CPR is successful in less than 25% of cases. ...Read more

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How can sudden fright or shock cause cardiac arrest?

Rarely if ever: There is coronary spasm as a known entity, but not so much from fright! fight, fright, flight does stimulate a significant chemical Epinephrine and norepinephrine response and superimposed on coronary atherosclerosis could cause trouble. ...Read more

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How does sudden fright or shock lead to a cardiac arrest?

How does sudden fright or shock lead to a cardiac arrest?

Adrenaline: A sudden fright or other event can cause a rush of adrenaline (aka epinephrine) that then causes an increased risk of a fatal arrhythmia. This would be vanishingly rare without severe preexisting disease. ...Read more

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If a person lives alone and has cardiac arrest how long until the paramedics could revive them?

10 minutesor less: After 10 minutes of full cardiac arrest without CPR , irreversible brain damage occurs unless immerged in ice water ( such as falling through the thin ice on a pond); sometimes the frigid temp preserves brain and heart function. ...Read more

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What is the difference between cardiac arrest and cardiogenic shock?

What is the difference between cardiac arrest and cardiogenic shock?

Function: cardiac arrest means the heart has stopped working electrically. cardiogenic shock means the heart muscle has stopped working ...Read more

Dr. Creighton Wright
3,921 doctors shared insights

Heart Attack (Definition)

Heart attack is a life-threatening condition in which the blood vessels that supply the heart becomes occluded and thus the heart itself is not longer receiving any blood flow. Without this blood flow, the heart muscle dies and cannot pump blood to the ...Read more


Cardiac Arrest (Definition)

Most cardiac arrest episodes are due to the heart rhythm becoming inadequate to pump blood to the body. Ventricular fibrillation is commonly the abnormal rhythm associated with cardiac arrest. If effective rhythm isn't ...Read more