Where are Beta 1 receptors found?
-:- Heart and Kidneys
-:- Stimulation of Beta 1 receptors result in an increase of what?
-:- Heart: Inotropy, Chronotropy, Dromotropy
Kidneys: Renin-Angiotensin-Aldosterone System = Vasoconstriction = Increase blood pressure
-:- Which node is located at th...
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Where are Beta 1 receptors found?
✓ -:- Heart and Kidneys
✓ -:- Stimulation of Beta 1 receptors result in an increase of what?
✓ -:- Heart: Inotropy, Chronotropy, Dromotropy
Kidneys: Renin-Angiotensin-Aldosterone System = Vasoconstriction = Increase blood pressure
✓ -:- Which node is located at the junction of the superior vena cava and the
right atrium, is typically supplied by the Right Coronary artery, and fires at
a rate of 60-100 bpm.
✓ -:- SA Node
✓ -:- Atrial depolarization characterized by smooth, round, upright deflection
less than 0.11 secs long and less than 2.5mm tall is referred to as what on
the ECG?
✓ -:- P wave
✓ -:- Carvedilol (Coreg)
Metropolol (Lopressor)
Atenolol (Tenormin)
Propranolol (Inderal)
Bisoprolol (Zebeta)
Acebutolol (Sectral)
Comolol (Brevibloc)
✓ -:- Beta Blockers - used for blood pressure and cardiac problems
✓ -:- Epinephrine
Norepinephrine
Vasopressin
Dopamine
Phenylephrine
Dobutamine
✓ -:- Vasopressors
✓ -:- The middle of phase 3 to beginning of phase 4 in the cardiac cycle
where cardiac cells are partially refractory and partially repolarized and
certain cells can be depolarized in response to electrical stimulus.
✓ -:- Relative Refractory Period
(Partial flush of the toilet)
✓ -:- Starlings Law
✓ -:- When end diastolic volume increases, stroke volume increases as well.
(When more blood is in the ventricles, the cardiac muscle stretches like rubber band and
creates more forceful contraction)
✓ -:- Intrinsic Rate for Ventricles (Purkinje Fibers)
✓ -:- 20-40
✓ -:- Intrinsic Rate for AV Junction
✓ -:- 40-60
✓ -:- Treatment for Beta Blocker Overdose
✓ -:- Glucagon: 1-5mg IV/IO (1st Line Drug)
Calcium Chloride: 500mg - 1g IV/IO
✓ -:- Why do we give Nitro for chest pain?
Class
MOA
Indications
✓ -:- Nitrate Vasodilator and Antianginal
Relaxes vascular smooth muscle = vasodilation and venous pooling which Reduces
Preload/Afterload and Dilates Coronary Arteries which increases myocardial perfusion.
Cardiac Chest Pain
Acute Pulmonary Edema
✓ -:- What is our dose for nitro, and what are the contraindications?
✓ -:- 0.4mg sublingual
15mg/1inch paste
1g patch
Systolic <90mmHg
Master01 | September, 2024/2025 | Latest update
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