Pharmacodynamics and Medication Administration

These flashcards summarize key concepts and details from the lecture on pharmacodynamics and medication administration.

What is pharmacology?

The science of drugs, including their ingredients, preparation, uses, and how they work in the body.

What is the purpose of medication?

Medications can be used to manage illness, prevent disease, or relieve pain.

What are agonist medications?

Medications that cause stimulation by attaching to receptors in the brain.

What are antagonist medications?

Medications that work as blockers to prevent other substances from attaching to receptors.

What do opioids do to the body?

Opioids are considered depressants that lower respiratory rate, heart rate, and blood pressure.

What is naloxone, also known as Narcan?

A medication that acts as a blocker to opioids, reversing their life-threatening effects.

What is the maximum dose for aspirin?

The maximum dose is 324 milligrams, taken as four 81 milligram tablets.

What is the indication for nitroglycerin (nitro) at the EMT level?

Chest pain.

What are absolute contraindications for administering nitroglycerin?

Blood pressure less than 100 systolic, altered mental status, recent use of erectile dysfunction drugs, or a head injury.

What is the dose and max dose for nitroglycerin?

The dose is 0.4 milligrams, with a max dose of 1.2 milligrams (up to three times).

What are the side effects of nitroglycerin?

Patients may experience headaches and dizziness.

What are the different routes of medication administration mentioned?

IV, oral (PO), subcutaneous, intranasal, buccal, and transdermal.

What is the function of activated charcoal?

To absorb poisons and facilitate their removal after ingestion.

What is the dose for oral glucose at the EMT level?

One tube (15 grams) or half a tube when necessary.

How can levels of consciousness (LOC) affect medication administration?

Altered LOC may contraindicate certain medications like activated charcoal.

What is the significance of the term 'Phil' in medication names?

It often indicates medications related to erectile dysfunction.

What is the primary use for Narcan (naloxone)?

To reverse opioid overdoses.

What is the route and dosage for naloxone administered intranasally?

2 milligrams, given as 1 milliliter in each nostril.