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Sudden Cardiac Arrest and Early Detection with Remote Health Monitoring Device

Updated: Oct 29, 2021

By OnSky Health



As we age our heart rate changes, which can indicate a change in our overall health. A typical adult resting heart rate is between 60 and 100 beats per minute (BPM). Experts say that a healthy heart beats 60-80 times per minute. However, there are also cases where your heart rate is slower or faster than average. It is important to know what heart rate is normal for yourself and your loved ones to detect and act on any changes that could be life threatening.


Faster than normal heartbeat

There are many reasons why your heart beats faster than normal, such as exercise, drinking caffeinated beverages, stress, anxiety, high fever or hyperthyroidism. The use of alcohol, or other stimulants also increases your heart rate. When the heart rate is above 100 BPM at rest it is called tachycardia. If your resting heart rate is above 120 BPM, you should see a doctor as this could signify an abnormality.


Slower than normal heartbeat

Bradycardia is when the heart beats very slowly at rest (below 60 BPM). The heart is likened to a muscle mass. When you regularly exercise your heart muscle will get stronger and your resting heart rate may decrease. So even if your heart rate is reduced, the heart muscle will be strong enough to push enough blood through the body. For example, while it’s normal for an athlete to have a resting heart rate below 40 BPM, this indicator is abnormal for other people.



Heart arrhythmia

When the heart beats too fast (>100 BPM), too slow (<60 BPM), or with a skipping (irregular) rhythm, a person is said to have an arrhythmia. This disease is more common in men (70%) than women (30%). Arrhythmias, which occur when the heart's electrical impulses don't work properly, are classified based on three factors: frequency, ventricular and atrial dysfunction.


Common types of arrhythmias:

  • Regular tachycardia: supraventricular tachycardia, ventricular tachycardia

  • Regular bradycardia: sinus node failure, atrioventricular block

  • Intermittent irregular rhythm: double beat, triple beat, etc.

  • Complete arrhythmia: atrial fibrillation




There are many causes of arrhythmia such as:

  • Psychological disorders, stress, strenuous labor, heavy use of stimulants

  • Cardiovascular diseases: Myocardial ischemia, heart valve diseases, myocarditis, congenital heart defects

  • High blood pressure, dyslipidemia, diabetes, obesity, hyperthyroidism, anemia, electrolyte disorders and drug use


Arrhythmia can be a manifestation of many dangerous diseases and can be life-threatening if not treated promptly. Some types of arrhythmias to watch for:

  • Atrial fibrillation

  • Ventricular tachycardia

  • Ventricular fibrillation

  • Heart failure

  • Stroke


Sudden cardiac arrest

Sudden cardiac arrest is a condition in which the heart suddenly and unexpectedly stops beating. Some types of arrhythmias can lead to sudden cardiac arrest, with the most common being a life-threatening abnormal heart rhythm called ventricular fibrillation. Additional conditions that cause sudden cardiac arrest include:

  • Coronary artery disease

  • Cardiomyopathy

  • Heart valve disease

  • Congenital heart disease

  • Acute myocarditis caused by bacteria, viruses, bacterial toxins, drugs, toxins

Other causes of cardiac arrest:

  • Shockwave

  • Drug overdose, drug poisoning, food poisoning

  • Severe bleeding (called hypovolemic shock) – loss of large amounts of blood

  • Hypoxia - occurs when the amount of oxygen in the body is severely reduced



When a person is in cardiac arrest, blood stops flowing to the brain and other vital organs. The patient may suddenly fall and become unconscious, unresponsive to verbal or painful stimuli, or experience abnormal or halted breathing. Early detection of these symptoms is critical for timely intervention and treatment—and may save the patient’s life.




SkyPad, a remote health monitoring system from OnSky Health, is designed to help with early detection of health indicators – such as a heart attack, cardiac arrest or stroke – that cause danger to the user's life. Powered by OnSky's proprietary "Contact-Free" sensor technology and AI & Machine Learning, SkyPad can continuously sense, measure and monitor user's vital signs and motions including heart rate, respiration rate, seizure and sleep quality without skin contact.


SkyPad is a connected health device that has the capability to continuously monitors and detects vital sign deterioration and abnormality. OnSky offers an optional emergency service called EDAS that can be used with SkyPad. EDAS supports detect early risks of many other complex diseases like: heart attack, stroke or obstructive sleep apnea, seizure, snoring.. In emergency situations, the system will send SMS messages and call user's family members or caregivers as first responders for intervention. These first responders will check on the user and contact 911 or health professionals to get help. Early detection and rapid intervention do save lives.


For further information about SkyPad, please visit OnSky Health website at www.onskyhealth.com .




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