How to perform first aid for heat injuries zones,zombie survival warcraft 3 map 2014,top zombie survival games pc games,vermicomposting process ppt download - Test Out

15.11.2013
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By clicking Confirm, you are committing to buy this item from the seller if you are the winning bidder and have read and agree to the Global Shipping Program terms and conditions - opens in a new window or tab. Your bid is the same as or more than the Buy It Now price.You can save time and money by buying it now. What is AED?AEDs or automated external defibrillators, are computerized devices that can help prevent death due to sudden cardiac arrest. In a world-first, scientists have genetically engineered a clone of the Zika virus strain, an advance that may aid the development of vaccine and therapies against the infection which has been linked to serious birth defects.
Cloning the virus unlocks scientists’ ability to more quickly develop countermeasures and explore whether or how the Zika virus has evolved to spread more quickly and cause more severe diseases in people. For 60 years, the Zika virus remained obscure with few identified cases in people and mild disease symptoms. However, since 2007, the virus has sparked frequent epidemics associated with serious diseases such as microcephaly and Guillain-Barre syndrome.
The researchers from The University of Texas Medical Branch (UTMB) first constructed the Zika virus clone. Five fragments spanning the complete viral genome were individually cloned and assembled into the full-length clone of the Zika virus. The infectious complementary DNA (cDNA) clone allows researchers to make Zika virus from test tube and cells on petri dishes. The researchers then used the UTMB-developed Zika mouse model to demonstrate that the cloned virus infected the mice and gave them neurological disease.
These findings confirm that the cloned virus is highly infectious for Aedes aegypti mosquitoes. There are a number of possible factors that may account for the current Zika virus epidemic that can now be tested with the UTMB clone.


For instance, the Zika virus may have evolved in a way that enhances mosquito transmission, leading to it spreading much more quickly.
This idea could be tested by comparing how infectious the original Zika strains are to mosquitoes with current strains, followed by manipulating the clone to test the effects of recent mutations on mosquito transmission.
It is possible that the Zika virus has adapted to maintain higher virus concentrations in peoples’ blood, making it easier to cross the placenta and cause microcephaly. This possibility could be ruled out or confirmed by engineering mutant Zika viruses and testing out the effects on Zika mice.
Respiratory failure: Inability of the lungs to perform their basic task of gas exchange, the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into exhaled air. To live and function properly every cell must receive a continuous supply of oxygen, and waste products must be removed.
Patients requiring resuscitation often have an obstructed airway which may be the cause or the result of unconsciousness. The last three are obstructions of the lower respiratory tract and little can be done by a first aider to treat them. The relaxed tongue is the most common obstruction but good manual airway techniques can manage the problem, suction and patient positioning can assist in removing foreign material and choking procedures can remove foreign objects.
Complete airway obstruction in a patient who is making respiratory effort results in observing paradoxial chest and abdominal movement. Once any degree of obstruction is recognised, immediate measures should be taken to maintain a clear airway. A stepwise approach to management will ensure the most suitable method of airway control is achieved.
These simple positional methods are successful in most cases where the obstruction is the result of relaxation of the tongue and soft tissues.
Online first aid certificateIn order to download your first aid certificate you will need to complete all modules of our online first aid course. In order to access our online first aid course you must have registered an account with us and be logged in. The "off" amount and percentage simply signifies the calculated difference between the seller-provided original price for the item and the seller's current discounted price.
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These devices monitor the heart rhythm and can, if need be, deliver an electric shock to the chest wall much like a traditional (paddle) defibrillator in a hospital. In addition, the results demonstrated that Aedes aegypti might be a good mosquito vector for Zika virus transmission. A stepwise approach to airway management, starting with the simplest and most rapidly applied, will ensure that the most suitable method for securing the airway is used.


This obstruction can be partial or complete and can affect the upper or lower respiratory tract, or both. Inspiratory stridor is caused by obstruction at the laryngeal level or above and could represent laryngeal spasm or physical obstruction. As the patient tries to inhale, the chest is drawn in and the abdomen expands, with the opposite happening during expiration.
If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. When a person breathes in, air is brought into the alveoli by the action of the respiratory muscles -- the diaphragm, the muscles between the ribs, and the accessory muscles (those between the neck and the chest wall). Expiratory wheeze suggests an obstruction of the lower airways which tend to collapse and obstruct during expiration.
If a clear airway cannot be achieved, other causes of airway obstruction must be eliminated.
Arrhythmias are abnormalities of the heartbeat (severe heart attacks can also lead to cardiac arrhythmias and sudden death).The arrhythmia that most often causes sudden cardiac death is ventricular fibrillation.
The brain's respiratory centers in turn are controlled by chemoreceptors, special cells that are sensitive to the amounts of carbon dioxide or oxygen in the blood. The chemoreceptors that are sensitive to oxygen concentration are located in the large arteries in the neck in the carotid bodies. Anyone trained to operate an AED must be trained in CPR, since early CPR is a critical step in resuscitation to help reestablish the circulation of blood and the delivery of oxygen to the body.
AEDs may also prompt the rescuer to continue CPR while it is analyzing the heartbeat of the patient.CPR is also no substitute for AED.
Even if CPR is given, studies have shown that survival decreases 7-10% for each minute of waiting time before defibrillation is carried out.How AEDs workIf you are qualified in CPR, and to use an AED, the rescuer first should check the victim of a sudden cardiac arrest for unresponsiveness and call 995. In infants, however, respiratory failure occurs mostly in premature babies whose lungs have not yet fully developed. If the victim is not breathing or breathing is abnormal, the rescuer should start CPR, check for a pulse and, if there is no pulse, turn on the AED. The patches are connected to a computerized monitoring device capable of delivering an electric current. There are different brands of AEDs but all of them operate in the same basic way.After the patches are applied to the victim's chest, the device records and evaluates the heart rhythm. It directs the rescuer, if necessary, to stand clear and deliver electric impulses by pushing a "SHOCK" button on the unit. Lay persons with a few hours of training can safely operate an automated external defibrillator. The placement of AEDs in areas where large groups of people gather or where emergency response times may be slowed.



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