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  2. Butalbital - Wikipedia

    en.wikipedia.org/wiki/Butalbital

    Butalbital is a barbiturate with an intermediate duration of action. Butalbital is often combined with other medications, such as paracetamol (acetaminophen) (as Butalbital/acetaminophen) or aspirin, for the treatment of pain and headache. The various formulations combined with codeine are FDA-approved for the treatment of tension headaches.

  3. Cardiac excitation-contraction coupling - Wikipedia

    en.wikipedia.org/wiki/Cardiac_excitation...

    This rate can be altered, however, by nerves that work to either increase heart rate (sympathetic nerves) or decrease it (parasympathetic nerves), as the body's oxygen demands change. Ultimately, muscle contraction revolves around a charged atom (ion) , calcium (Ca 2+ ) , [ 3 ] which is responsible for converting the electrical energy of the ...

  4. Phenobarbital - Wikipedia

    en.wikipedia.org/wiki/Phenobarbital

    Thus, the main characteristic of phenobarbital overdose is a "slowing" of bodily functions, including decreased consciousness (even coma), bradycardia, bradypnea, hypothermia, and hypotension (in massive overdoses). Overdose may also lead to pulmonary edema and acute renal failure as a result of shock and can result in death.

  5. Butalbital/acetaminophen - Wikipedia

    en.wikipedia.org/wiki/Butalbital/acetaminophen

    Butalbital/acetaminophen, sold under the brand name Butapap among others, is a combination medication used to treat tension headaches and migraine headaches. [1] [4] [5] It contains butalbital, a barbiturate and paracetamol (acetaminophen), an analgesic. [4] Versions also containing caffeine are sold under the brand name Fioricet among others. [6]

  6. Heart - Wikipedia

    en.wikipedia.org/wiki/Heart

    The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]

  7. Butabarbital - Wikipedia

    en.wikipedia.org/wiki/Butabarbital

    Butabarbital (brand name Butisol) is a prescription barbiturate sleep aid and anxiety medication.Butabarbital has a particularly fast onset of effects and short duration of action compared to other barbiturates, which makes it useful for certain applications such as treating severe insomnia, relieving general anxiety and relieving anxiety before surgical procedures; however it is also ...

  8. Pentobarbital - Wikipedia

    en.wikipedia.org/wiki/Pentobarbital

    Once administered, sleep is induced within 30 seconds, and the heart stops beating within 3 minutes. [14] Oral administration is also used. A Swiss pharmacist reported in 2022 that the dose for assisted suicide had been raised to 15 grams because with lower doses death was preceded by a coma of up to 10 hours in some cases.

  9. Cardiac physiology - Wikipedia

    en.wikipedia.org/wiki/Cardiac_physiology

    Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.