Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Medication errors are three times higher among children and infants than with adults.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
A typical ignition switch showing all of the electrical terminals after the connector has been ...
Typical optical distributor.
A typical accelerator pedal position (APP) sensor, showing two different output voltage signals ...
Illustration of multidirectionality and low density of fibers in typical fascia.