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an episode or onset of illness.
anxiety attack panic attack.
heart attack
1. popular term for myocardial infarction.
2. any of various types of acute episodes of ischemic heart disease.
panic attack an episode of acute intense anxiety, with symptoms such as pounding or racing heart, sweating, trembling or shaking, feelings of choking or smothering, chest pain, nausea, dizziness, feelings of unreality, and chills or hot flashes. It is the essential feature of panic disorder and other anxiety disorders as well as other psychiatric disorders such as schizophrenia and mood disorders.
transient ischemic attack see transient ischemic attack.
vagal attack (vasovagal attack) see vasovagal attack.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


A sudden illness or an episode or exacerbation of chronic or recurrent illness.
Farlex Partner Medical Dictionary © Farlex 2012


An episode or onset of a disease, often sudden in nature.

at·tack′ v.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


Vox populi An episode or event of abrupt onset. See Crack attack, Drop attack, Fatty food attack, Gallbladder, Panic attack, Sleep attack, Transient ischemic attack.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


A sudden illness or an episode or exacerbation of chronic or recurrent illness.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Patient discussion about attack

Q. what should I do to prevent heart attack?

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References in periodicals archive ?
In addition to the theft of stored keys and hacking of applications, a number of companies and government organizations, including the CIA, recently have been subjected to several, successful Denial-Of-Service attacks making their websites or other computer or network resources unavailable to their intended users.
While there is no direct evidence that such a cooperative agreement occurred, the attack had all the hallmarks of the Estonia denial-of-service attack in 2007, which involved a criminal network, he said.
* Similarly, the military dictatorships of Myanmar and Mauritania both reportedly have hired operators of botnets--networks of illegally commandeered PCs--to smother several opposition Web sites with denial-of-service attacks.
Risk management departments need to find out if their information technology security team is confident in their existing prevention controls and if their company's public-facing transaction Web sites can deflect a massive denial-of-service attack.
Aside from spreading across the Internet, the worm also attempts to create a zombie bot network which would allow remote hackers to launch a distributed denial-of-service attack from infected computers.
A fire, power failure or theft of hardware can shut down a computer system just as effectively as malicious code or a denial-of-service attack.
"We are still working on it, but based on what we've observed so far it definitely seems to have a component that does a denial-of-service attack against the web site," said Brian Dunphy, director of global analysis for Symantec Corp.
Once they have access to your computer, they return to snoop around or possibly enlist your computer in a denial-of-service attack. A denial-of-service attack is where a number of computers are taken over by the hacker and used to overwhelm the victim's Website., the fast-growing online shopping operator, issued a brief press statement, saying, "Like several other major Internet Web sites, came under a denial-of-service attack."
A 'denial-of-service attack' occurs when an internet criminal bombards the site with so many page requests they crash the site.
The tactic, called a denial-of-service attack, is used for political and monetary gain--or just to wreak havoc.
The same denial-of-service attack that took down Twitter this morning also slammed Facebook but with much less dramatic results.<p>Facebook noted on its site this afternoon that it too was fending off a distributed denial-of-service attack that was slowing its site.