Definition Emergency drugs are medications that are administered in critical or life-threatening situations to address immediate medical needs. These drugs are crucial in various healthcare settings, including emergency departments, intensive care units, and pre-hospital care, where rapid intervention is essential to stabilize patients and prevent further harm. Categories of Emergency Drugs 1. Cardiac Arrest and … Read more
Phentolamine is a medication classified as an alpha-adrenergic antagonist, specifically an alpha-blocker. It acts by blocking the effects of norepinephrine and other similar neurotransmitters at alpha-adrenergic receptors. Phentolamine is a non-selective alpha-blocker, meaning it blocks both alpha-1 and alpha-2 receptors. Here are key points about phentolamine: 1. Mechanism of Action Phentolamine blocks the action of … Read more
Tolazoline is a medication that belongs to the class of drugs known as alpha-adrenergic blockers. It is primarily used as a vasodilator, which relaxes and widens blood vessels. This vasodilatory effect is attributed to its ability to block alpha-adrenergic receptors. Here are some key points about tolazoline: Mechanism of Action Tolazoline acts as a non-selective … Read more
Metaraminol, a sympathomimetic amine and vasopressor medication, primarily treats low blood pressure (hypotension) in various clinical situations, such as during surgery, shock, or certain medical conditions. Uses 1. Vasopressor: Doctors primarily use metaraminol as a vasopressor to treat hypotension (low blood pressure) in various clinical situations, including surgery, trauma, septic shock, or other medical conditions. … Read more
Sodium nitrite is sometimes used as part of an antidote regimen in cases of cyanide poisoning. Cyanide poisoning can occur through exposure to certain chemicals, including hydrogen cyanide and cyanogenic compounds. Sodium nitrite is used to induce methemoglobin formation, which can help to counteract the effects of cyanide poisoning. Here’s an overview of its use … Read more
Dopamine is a neurotransmitter, a chemical messenger that transmits signals in the brain and other areas of the nervous system. It plays a crucial role in several physiological functions and is associated with various behavior and mood regulation aspects. Dopamine is produced in several areas of the brain, including the substantia nigra and the ventral … Read more
Phenylephrine is a sympathomimetic drug that belongs to the class of alpha-adrenergic agonists. Phenylephrine is a common nasal decongestant that people use to alleviate nasal congestion associated with colds, allergies, or sinusitis. Additionally, it may be employed to raise blood pressure in cases of acute hypotension. It works by stimulating alpha-adrenergic receptors, resulting in vasoconstriction … Read more
