When I met with the Emergency Room doctor after Doug's sudden death that occurred while running, I asked him what happened. He said that most likely Doug suffered a malignant arrhythmia that caused sudden cardiac arrest. My first reaction was "What the f**k is a malignant arrhythmia?"
He explained that it is not a stroke or a heart attack. It is a powerful electrical impulse that stops the heart suddenly. (In contrast, a heart attack occurs when the blood supply to part of the heart muscle is blocked. A stroke is sudden death of brain cells caused when blood flow is interrupted to part of the brain - often by a blood clot.)
As I understand it, there are hundreds of different types of cardiac arrhythmias. Some types of irregular heartbeats are common and not dangerous. Others can kill you. The bad kind (which include malignant arrhythimias (MA) may not show up on a brief EKG (which Doug had less than 24 hours before he died because he was getting cleared for shoulder surgery.)
Cardiac MA's are often associated with coronary heart disease, cardimyopathy or valvular heart disease. Doug was being treated for high blood pressure and high cholesterol. ECG's indicated he had bradycardia (a slow heart beat) and also had Left Ventricular Hypertrophy (an enlarged left chamber of the heart.)
An MA does not show up on an autopsy - you would have to be monitoring the beating heart at the time it occurred. The autopsy did reveal that Doug had a significantly enlarged heart.)
But they can also happen to people who don't have any history of heart disease. The nasty kind of MA's can be associated with a variety of syndromes, including genetic defects that cause Long and short QT, Wolff-Parkinson-Whiteand Brugada syndromes, causing polymorphic ventricular tachycardia (VT) or ventricular fibrillation that can result in sudden death.
An MA can happen to people who look and feel healthy - in fact they could be standing there talking to you, feeling nothing, and suddenly keel over.
When an MA is sustained, it can result in loss of consciousness, and if the arrhythmia continues for more than 5 minutes, the person dies.
Many people do not survive sudden cardiac arrest, even with professional medical attention shortly after they occur. Thanks to a 911 call from a passerby who saw Doug on the ground, Emergency Medical Technicians (EMTs) reached Doug within three to five minutes after he collapsed while jogging. The first EMT team had an Automatic Electronic Defibrillator (AED). They put it onto Doug's chest. It read some kind of electrical cardiac rhythm - either ventricular fibrillation or pulse less ventricular tachycardia. This may have been Doug's heart quivering - it was not beating at the time. The AED "recommended" or advised a shock. After one shock, his cardiac rhythm converted to a Pulseless Electrical Activity or PEA (a few electrical beats not producing a pulse), which is not shockable. Unlike what you see on TV, a flat-lined heart (called an asystole) can not be shocked into restarting. At that point, medication is required.
The paramedics then switched to a full cardiac monitor. They interpreted the rhythm as continuing to be PEA. At 12:48, they noted that Doug's pupils were fixed and dilated. They treated him with medications indicated in protocols, including Atropine, Epinephrine. They continued giving CPR while transporting him to the Hartford Hospital Emergency Room. The medical team continued to try to revive him. Their efforts were futile. The diagnosis listed on the hospital report was "sudden death."
Although we didn't know it, Doug's heart was not normal (see autopsy results.) His death also could have been related to a high blood pressure medication he was taking - Benicar HCT. Read more about sudden cardiac arrest and Benicar.
Some statistics on sudden cardiac arrests that occur OUTSIDE of a hospital setting.
Even when cardiac arrest occurs in a hospital setting, short-term survival and long-term prognosis are not very good. Research continues on how to improve survival rates and prognosis.
I wish they could have re-started Doug's heart. I wish he had been given a chance to live a long, healthy life. However, I do not wish that they had resuscitated him to leave him with severe brain damage or serious physical handicaps. I think that would have been torture for Doug, and I probably would not have handled it well either.
But, as they say, wishing ain't gittin. We don't get to choose. We cannot control all outcomes. I guess the only alternative is to learn to accept and come to terms with what did happen. Fourteen months later, I'm still working on that part.
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