In a medical emergency a little first aid knowledge and immediate action can save lives, especially in remote locations. Those minutes that it takes for emergency medical aid to arrive can make a huge difference in whether the person survives in cases of cardiac arrest.  How much of a difference?
On average, the accredited standard is a max of 8 minutes for urban, 12 minutes for suburban, and 18 minutes for rural, but to be frank, most departments, particularly when staffed by volunteers, usually won’t hit those numbers and the average will be longer, sometimes much longer.  It’s not difficult to do the math with the Red Cross’ numbers and the average response time numbers to see that having an AED on hand and knowing how to use it drastically ups the odds of you or a loved one surviving a cardiac arrest. The good news is that the price for buying an AED has dropped dramatically in recent years, such as with this Home Defibrillator, which isn’t that much more than many people spend on a computer, but unlike a computer, could save your life or someone you love. But whether you end up getting one for your home or not, many businesses, schools, restaurants, and the like are starting to have these mounted to walls, so even if you don’t have one, it’s good for you to familiarize yourself with the process of using one before the emergency situation presents itself.
Defibrillation is the process of delivering a dose of electrical energy through the heart in the hopes that its normal electrical pathways begin to work normally. Once your heart goes into cardiac arrest, the only way to get its electrical system to work properly again is to send a massive (compared to the amount the heart gives itself) amount of electrical energy to stop (yes, stop) all the electrical activity in the heart (known as depolarization). When your heart is beating normally, its muscle cells are receiving an electrical shock approximately 60-100 times per minute. The specific set of cells that regulate the heart rate (in most people) are called the Sinoatrial node or SA node for short. When these foci start to beat on their own, they can create an electrical impulse that simply doesn’t create the mechanical squeeze necessary for blood flow, thus no pulse.
So should there be no electrical impulse at all, like say when someone is “flat-lined”, called asystole, then shocking is pointless, since you would need an electrical impulse to create a beat. When someone goes into cardiac arrest, the most common heart rhythm present is known as ventricular fibrillation. Once you open the AED, it will tell you a three step process to shock someone, in three different ways. You cannot plug in the pads incorrectly as the manufacturers only allow them to be plugged in one way.
Since cardiac arrest is the number one “natural” cause of death in the United states any person in cardiac arrest will require an electrical shock, and because AED technology has progressed to the point of allowing just about anyone to give this shock, defibrillation is #1 on our top 5 first aid tricks everyone should know.
Some people have suggested that CPR be #1 and not #2, since it increases the person’s chance of survival so significantly.
I was taught that the SAN is completely, 100% independent of the brain and nervous system, as in it generates it’s own pulses regardless of what any neurotransmitters etc are telling it? Wait, I’ve just thought about it and it makes sense, otherwise how would it know when to speed up the heart etc? Find Us On YouTube!Subscribe today to check out our free Daily Knowledge Youtube video series!
This unit of competency has been approved by Australian Children's Education and Care Quality Authority  (ACECQA) who have deemed it to satisfy all requirements for first aid, anaphylaxis management and emergency asthma training under the Education and Care Services National Law, and the Education and Care Services National Regulations (2011). This course is suitable for anyone working in long day care, family day care, preschool and outside of school hours (OOSH) care services. The course content has been determined by the Australian Resuscitation Council and community services and health industry skills council. To ensure the integrity of our assessment process there is no online assessment completed, however written assessment and progressive assessments will take place during the practical session. Provide an emergency first aid response in an education and care setting is renewed every 3 years.
Matthew Ross was featured by his local newspaper for his excellence in high school football, basketball and baseball. In an industry sadly bereft of honesty one young aspiring banker, Matthew Ross took the time to write a cover letter that so impressed the individual it was meant for that he in turn decided to share it with other Wall st executives for its candor which of course then led it to being shared by other executives, social media and so forth. Perhaps what makes the letter most interesting is not only its candor but the suggestion that Wall st bosses are from time to time willing to overlook the traditional pedigree qualifications they insist is the best fit which might be a backhand way of saying maybe Wall st bosses are starting to come clean with the notion that just because you know such and such and were educated at a premium entity doesn’t necessarily mean one has the pizzaz to excel, the integrity or ability to make good decisions or simply the discipline and resolve to do anything it takes to get ones foot through the door. Recent CommentsIVC16 on Why did AJ Armstrong kill father Antonio Armstrong NFL great and wife?Bob on Revenge? Award for Up-Skilling Door Supervisors (Scotland) are qualifications that have been developed to meet the mandatory SIA top up training requirement for Door Supervisors who undertook their training prior to 31 August 2010.
The journey all starts with your first checklist: one-day supply of clothing, three sets of underwear, one pair of white calf-length athletic socks (no color bands, designs, or logos), and a pair of comfortable shoes. Drill instructors at every moment during this time will attempt to turn the recruits into a unified platoon to enforce discipline and teamwork.
Most branches will teach you and take you through various martial arts and hand-to-hand combat techniques. This comes in many forms in the different branches of the military, but one thing is for certain: instructors will push each team of recruits to work together and overcome the obstacles before them, leaving no man behind.
Each branch of the military has their own set of physical fitness tests that will determine your physical aptitude.


Each branch is equally respected in my books, because no matter how difficult one is compared to the other, you will go through a physical and mental transformation. Photo 1 by Master Sergeant Cecilio Ricardo (US Air Force Public Affairs [1]) [Public domain], via Wikimedia Commons.
Photo 3 by Master Sergeant Cecilio Ricardo (US Air Force Public Affairs [1]) [Public domain], via Wikimedia Commons. John Annillo has worked everywhere from the corporate gym in NYC to the Strength and Conditioning Department at Ohio State University. This course is designed to provide a working knowledge of first aid for people using small craft and to support skippers of yacht and motor vessels. According to the American Red Cross, after a person experiences cardiac arrest, the person’s chance of surviving drops by 7%-10% per minute until treated with defibrillation. Also, in many places, such as New York State, you can get as much as a $500 tax credit for each Defibrillator unit purchased, which further cuts down on the cost of this life saving device.
This procedure is so important that creators of the devices have developed the technology to the state that just about anyone can perform it- from a 7 year old in grade school to the doctors in an emergency room. The mechanical function of the heart is governed by the electrical system within the heart. The SA node (pacemaker of the heart) sits in the upper portion of the R atria near the entrance of the superior vena cava. In an attempt not to give a physiology lecture of ungodly length, I will simply say that the main two electrolytes involved are sodium and potassium. When the SA node becomes damaged, or simply isn’t working properly, other parts of the heart start to take over to create the heartbeat. When this happens, if you “shock” all of these foci, you get them all to depolarize at the same time. So when you see those heroes on the TV and movies shocking someone with a flat-line, if they were actually doctors, be assured that their license to practice medicine would be reviewed after that was discovered. This is when all those foci in the bottom of your heart begin to fire off at the same time.
Many governmental organizations require them to be present in publicly funded buildings, like schools and court houses. I chose defibrillation as #1 because CPR alone will not make their heart start beating again.
The aim of the course is to provide an emergency first aid response in aneducation and care setting.
We anticipate the pre - learning required may take 4- 8 hours depending on participants. Provide cardiopulmonary resuscitation is renewed every 12 months as per Australian Resuscitation Council Guidelines. Of course what makes the letter a little sad is the fact that the applicant might be wasting his integrity and good attitude in an industry sorely lacking in those very qualities….
The qualifications meet the SIA’s mandatory top-up requirements and appropriately qualified learners who complete the qualification will be eligible to apply to renew their SIA Door Supervisors licence.
While the physical tasks are prevalent, it’s the mental growth you go through that gets you to the level of solider - finding the courage to move forward, while experiencing the fear of wondering if life will ever be the same.
You’ll start learning about the history of the branch of military you joined and their core values. In the Marines they actually have a five-colored belt system to move through: tan, grey, green, brown, and black. These tests are given throughout your time in basic training to ensure you are not only maintaining your physical ability but also improving. Navy photo by Mass Communication Specialist 1st Class Rebekah Adler [Public domain], via Wikimedia Commons.
He's been featured in all of the major fitness publications, developed a couple of iOS Applications, and currently serves as a consultant for various fitness companies. It fulfils the requirements for skippers of small craft working within 60 miles of a safe haven. That electrical system, in turn, can be affected by neurotransmitters from the brain (or fancy pacemakers created by the Dr. When the SA node sends out and electrical shock, it immediately shocks the atria (the top chambers of the heart).
The hope is that the SA node, or some other foci, will take over and create a pulse producing rhythm on its own. Several studies have found that when using an AED there is no difference in survival rate after application of shock delivery between lay people as young as 7 years old doing it or doctors.  This isn’t brain surgery. Check, check, check, now kiss your family and friends behind because you are going to start a new family.


You will start off where thousands of soldiers before you have started, but look around, because not everyone around you will last until the end. John serves as an advisor on Top Fitness Apps, and for more of his work, visit his website, John Annillo. Long answer: The exchange of electrolytes across specialized cells within the heart build up a differing electrical potential on either side of the cell. The pulse then gets “held up” in another set of cells called the Atrioventricular node, or AV node for short. The reason why they normally don’t is that the SA node “overrides” them and they accept the impulse from it, instead of trying to create one on their own. They can be bought at several national retailers, and doctors often prescribe them to patients at risk of cardiac arrest. CPR just extends the amount of time a person can be in cardiac arrest and still have this defibrillation work. These are the slogans of today’s military soldiers, and you can assume the physical and mental requirements to become a soldier are just as intense.
You will be asked to act as a team, to pull together or fall apart, to win as one or all will fail.
I’ve seen people who have gone in and come out completely different (and better) people. But since we’re talking about shocking someone, we’ll only focus on the electrical system of the heart.
When this electrical potential reaches a certain amount, it discharges and sends a shock down another unique set of cells within the heart, causing a shock and thus the contraction.
The impulse then travels down to the bundle of His (no, not the bundle of hers, sorry ladies ;-)) and then to two pathways called the right and left bundle branches. This creates the differing electrical potential that builds up until the point of discharge because sodium and potassium have different electrical potentials.
Because it’s known that this is the most common rhythm, and the only way to fix it is with a shock, the engineers of the world have come up with a way that everyone can deliver this shock when needed.
One study showed that communities with people trained in CPR and AED use had twice as many victims survive a cardiac arrest compared to communities using CPR only. Most people can do them, and knowing them all will help in a very wide range of emergency situations. The workouts in basic training for the military are not meant to find the physical specimens of the group, but rather to take people on a journey from civilian to soldier. Should you want to know how the brain governs it, I direct you to the many medical schools around the country! Then it’s transmitted to the rest of the Ventricles (lower chambers of the heart) through what are called Purkinje fibers. Other electrolytes also help in creating this differential, and they are calcium and magnesium. Good quality CPR and rapid defibrillation together will give the person in cardiac arrest the greatest chance of survival.
I encourage everyone to take a first aid and CPR classes if you are interested in knowing more. For how exactly all these electrolytes cross the cells membrane, I will only say here that it would take way too long to explain in this article; just trust me on this one, they do.
It will read something like: turn on the machine, place the pads as shown, and press the shock button.
All together the harmony created by this yin and yang system of electrical and mechanical systems come together to make that wonderfully thumping thing inside your chest! You too can roll your eyes at me and frequently glance at your watch as I attempt to cram a seemingly never ending stream of medical knowledge into your head! Once the machine is turned on, it will begin to tell you to “place pads on patient’s bare chest, plug in pads connecter next to flashing light.” It will continue to tell you this until you do.
Once you do, the machine will then tell you not to touch the patient, as it is analyzing the heart rhythm. If the machine sees that the person is in ventricular fibrillation, it will tell you something like “shock advised. Press the flashing light to deliver the shock.” If the shock is not advised, it will tell you that as well.



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