Master Nonselective Beta-Blockers with Picmonic for Medicine

With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing.

Nonselective Beta-Blockers

(Both β1 and β2) Nonselective Beta-fish with LOL Blocks
Picmonic
Nonselective β-blockers were the first generation β-blockers and have antagonistic effects at both β1 (heart, kidney) and β2 receptors (lung, peripheral blood vessels and skeletal muscle) thus preventing direct sympathomimetics such as norepinephrine and epinephrine from binding to these receptors.
10 KEY FACTS
"-olol" Suffix
Lolly

β blockers can be remembered by having the suffix, "olol." Examples of this are metoprolol and carvedilol.

Nonselective
β1 and β2

Nonselective β-blockers were the first generation β-blockers and have antagonistic effects at both β1 (heart, kidney) and β2 receptors (lung, peripheral blood vessels and skeletal muscle) thus preventing direct sympathomimetics such as norepinephrine and epinephrine from binding to these receptors. These drugs prevent the release cAMP, a secondary messenger in the Gs-protein signal transduction pathway. Without cAMP, Protein kinase A remains inactivated  and thus Ca2+ currents are reduced.

Propranolol
Propane-lolly

Propranolol was the first successfully developed β-blocker. Initially developed for use in angina pectoris and then used as an anti-hypertensive, it is not commonly used for these indications today due to its β2 blocking effects that may lead to side effects such as bronchospasm and thus exacerbation of chronic obstructive lung disease (COPD) and asthma. Other side effects of Propranolol include depression, exacerbation of peripheral arterial disease, and masking signs and symptoms of hypoglycemia in diabetics. Propranolol is now primarily used for treatment of thyroid storm, thryotoxicosis, essential tremor, prevention of bleeding esophageal varices, akathisia and chronic migraine prophylaxis.

Timolol
Time-mole-lolly

Timolol is a nonselective β-blocker that is the traditional first-line therapy for the reduction of intraocular pressure (IOP) in open-angle glaucoma and is part of the empiric therapy for acute-angle closure glaucoma. Timolol was initially shown to not be an effective systemic hypotensive agent; however, when formulated into a topical drug it was demonstrated to be extremely effective in reduction of IOP. Topical prostaglandins, however, are now a preferable initial therapy in open-angle glaucoma. The most serious possible side effects include cardiac arrhythmias and severe bronchospasms.

Nadolol
NATO-lolly

Nadolol is a nonselective β-blocker primarily used for the prevention of bleeding esophageal varices. It can also be used in the treatment of migraine headaches, adult ADHD, essential tremor and Parkinson's Disease. Its side effects include bradycardia, fatigue and bronchospasms.

Partial β Agonist
Partial Beta-fish Dragonist

These drugs block β-receptors; however, they also have intrinsic sympathomimetic activity (ISA) and partially activate the receptor. In high doses, they exert effects like epinephrine (increased pulse rate, increased blood pressure, bronchodilation).

Pindolol
Pin-doll-lolly

Pindolol is a β-blocker that is also a partial β-agonist. It can be used for treatment of angina pectoris and hypertension; however, is rarely done so due to its intrinsic sympathomimetic activity (ISA).

Nonselective β with α Blocking
β1 and β2with Afro Block-guy

These drugs nonselectively block both β and α receptors. Their α-blocking effects give them a vasodilatory effect which potentiates the β-blocking effect to reduce blood pressure.

Carvedilol
Corvette-lolly

Carvedilol and labetolol are nonselective beta and alpha blocking drugs. Carvedilol is used in the treatment of CHF as an adjunct to conventional treatments (ACE inhibitors and diuretics). Labetolol is primarily used in the treatment of pregnancy-induced hypertension and can be used 2nd line in hypertensive emergencies.

Labetalol
Lab-beta-lolly

Labetolol is primarily used in the treatment of pregnancy-induced hypertension and can be used 2nd line in hypertensive emergencies.

Unlock all 10 facts & definitions with Picmonic Free!

JOIN FREE

Take the Nonselective Beta-Blockers Quiz

Picmonic's rapid review multiple-choice quiz allows you to assess your knowledge.

START QUIZ NOW

It's worth every penny

Our Story Mnemonics Increase Mastery and Retention

Memorize facts with phonetic mnemonics

Unforgettable characters with concise but impactful videos (2-4 min each)

Ace Your Medical (MD/DO) Classes & Exams with Picmonic:

Over 870,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Medical (MD/DO) student study app.

Picmonic for Medicine (MD/DO) covers information that is relevant to your entire Medical (MD/DO) education. Whether you’re studying for your classes or getting ready to conquer the USMLE Step 1, USMLE Step 2 CK, COMLEX Level 1, or COMLEX Level 2, we’re here to help.

Works better than traditional Medical (MD/DO) flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.