|
|
Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.
Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
![A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p](https://biology-forums.com/gallery/47/medium_14755_27_08_12_4_57_13_822621.jpeg)
![A vigorous-looking Franklin D. Roosevelt campaigns for the presidency in 1932. His vice-presidential](https://biology-forums.com/gallery/47/medium_568533_22_08_16_12_25_27_237311385.jpeg)
![Each of the eight injectors shown are producing a correct spray pattern for the applications. While ...](https://biology-forums.com/gallery/30/medium_548020_30_05_17_11_26_28_3001172.png)