Paroxysmal atrial tachycardia (PAT) is a heart rhythm disorder that causes quick, rapid beating in the upper chamber of the heart (atrium). It's caused by abnormalities in the atrioventricular node, and it often affects young people.
The condition usually doesn't require treatment, but it can be scary to have. Your doctor may recommend medications to help control the symptoms. These include flecainide (Tambocor) or propafenone (Rythmol). They can be taken by mouth, in an injection, or as a pill.
It can happen in people who aren't pregnant or breastfeeding, and it can last seconds, minutes, or hours. If it gets serious, you should call your doctor.
PAT can be caused by an overactive thyroid or some types of heart valve disorders. If this is the case, you may need to have a heart scan or other diagnostic tests.
NAT is used to make internet routing more efficient by sharing a single public IP address between different devices on a private network. It reduces the number of routing entries in the router's routing table, which can make internet routing more efficient and less prone to errors.
Port address translation is a type 토닥이 of dynamic NAT protocol, which allows multiple devices to connect to the internet using the same public IP address but a different port number. It's typically used in home networks where multiple users can use a single Internet connection.
This approach is an effective way to conserve a large amount of public IP addresses. It also reduces the chances of a device on a private network having an IP address that overlaps another device's public IP address on the same network, which can cause problems with communication.
PAT can be a good choice for manufacturing operations because it can help to secure data that is related to process analysis and quality assurance. It can also help to protect against the possibility of security flaws in a connected device.
In addition, PAT can help to prevent a network from being susceptible to attacks that can compromise the security of an internet connection. This can prevent a person from gaining access to information that is sensitive, such as credit card numbers.
It can also help to improve the efficiency of data transfer by using different port numbers for each device on the network. This can help to prevent a device from using the same public IP address for too many different connections, which can lead to slow internet speeds.
This type of NAT is commonly used in today's networks and is supported by most consumer-grade routers.
When a PAT connection is established, the router uses a dynamic NAT map to select a global (public) IP address and a unique port number. It then keeps a NAT table entry for each combination of the private IP address and port number, with translation to the global address and port.
The resulting connection will be more secure because the private address is translated to a unique port number during the PAT protocol, and the private address cannot be accessed by outside individuals.
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