Cardiac & Emergency Pharmacology

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Questions and Answers

A patient taking beta-blockers reports feeling lightheaded upon standing up quickly. What is the most likely adverse effect causing this?

  • Bradycardia and Hypotension (correct)
  • Tachycardia
  • Hypertension
  • Bronchospasm

A patient presents to the emergency department with chest pain. After initial assessment, the physician suspects angina or NSTEMI. Which of the following medication combinations is most appropriate for initial treatment?

  • Fluids and insulin
  • Oxygen only
  • Nitroglycerin and atropine
  • Oxygen, aspirin, nitroglycerin, morphine (correct)

A patient with a history of atrial fibrillation is prescribed digoxin. What is the primary reason for using digoxin in this scenario?

  • To control heart rate in atrial fibrillation (correct)
  • To treat Torsades de pointes
  • To manage asthma symptoms
  • To prevent STEMI

A patient is diagnosed with a deep vein thrombosis (DVT). Which medication is most appropriate for the initial treatment?

<p>Heparin (D)</p> Signup and view all the answers

A patient with hypertension is prescribed a beta-blocker. Which of the following medications belongs to the beta-blocker class?

<p>Metoprolol (B)</p> Signup and view all the answers

A patient is experiencing ventricular tachycardia with a pulse. Which antiarrhythmic medication is most appropriate as a first-line treatment?

<p>Lidocaine (A)</p> Signup and view all the answers

An elderly patient is admitted to the hospital with symptomatic bradycardia. Which medication is most likely to be administered initially?

<p>Atropine (B)</p> Signup and view all the answers

A patient received a low dose of atropine. What paradoxical effect might the nurse observe?

<p>Paradoxical bradycardia (C)</p> Signup and view all the answers

A patient with heart failure is prescribed Lasix. What type of medication is Lasix?

<p>Loop diuretic (A)</p> Signup and view all the answers

A patient with severe respiratory distress requires pain management. Which of the following conditions would contraindicate the use of morphine?

<p>Respiratory depression and hypotension (A)</p> Signup and view all the answers

A patient taking Lasix (furosemide) reports experiencing dizziness and lightheadedness upon standing, along with muscle cramps. Which adverse reaction is most likely causing these symptoms?

<p>Hypokalemia (D)</p> Signup and view all the answers

A patient with left-sided heart failure is experiencing severe pulmonary edema. Which combination of medications is most appropriate for managing this condition?

<p>Lasix, nitroglycerin, morphine (B)</p> Signup and view all the answers

A patient is prescribed amiodarone for the management of a complex arrhythmia. Which ion channels are blocked by amiodarone?

<p>Calcium, sodium, potassium (D)</p> Signup and view all the answers

A patient with angina is prescribed nitroglycerin. What is the primary mechanism by which nitroglycerin relieves chest pain?

<p>Reducing preload via smooth muscle relaxation (A)</p> Signup and view all the answers

A patient is prescribed Lopressor for hypertension. What classification of medication is Lopressor?

<p>Beta-blocker (D)</p> Signup and view all the answers

A hypertensive patient is prescribed Verapamil/Cardizem. What is the primary mechanism of action of these medications?

<p>Calcium channel blockers (D)</p> Signup and view all the answers

A patient is prescribed Aggrastat during a percutaneous coronary intervention (PCI). What drug classification does Aggrastat belong to?

<p>Glycoprotein IIb/IIIa inhibitor (A)</p> Signup and view all the answers

A patient with chest pain is administered morphine. What is the primary mechanism of action (MOA) of morphine in reducing chest pain?

<p>Reduces myocardial oxygen demand via CNS suppression (C)</p> Signup and view all the answers

A patient with a history of ventricular arrhythmias is prescribed amiodarone. For which specific arrhythmias is amiodarone indicated?

<p>V-tach, PVCs, atrial tachycardias (D)</p> Signup and view all the answers

A patient is experiencing Torsades de Pointes. Which medication is most appropriate for treating this condition?

<p>Magnesium sulfate (B)</p> Signup and view all the answers

Flashcards

Adverse effects of beta-blockers?

Dizziness, bradycardia, and hypotension. Beta-blockers can cause a decrease in heart rate and blood pressure.

Initial treatment for chest pain?

Oxygen, aspirin, nitroglycerin, and morphine are commonly used in the initial treatment of chest pain associated with angina or NSTEMI.

Digoxin indications?

Atrial fibrillation, CHF, and PSVT. Digoxin helps control heart rate and improve cardiac function.

Heparin indications?

DVT, acute coronary syndrome, and PE.

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Examples of beta-blockers?

Metoprolol, Tenormin, and Inderal. These medications block the effects of adrenaline.

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Lidocaine classification?

Class 1B sodium channel blocker, used to treat ventricular arrhythmias.

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Medications for bradycardia?

Atropine and epinephrine. These medications increase heart rate.

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Atropine low dose effect?

Paradoxical bradycardia.

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Lasix (furosemide) is a?

Loop diuretic. It works in the loop of Henle to promote fluid loss.

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Morphine contraindications?

Respiratory depression and hypotension.

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Lasix adverse reactions?

Hypokalemia, vertigo, and orthostatic hypotension.

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Medications for left-sided CHF?

Lasix, nitroglycerin, and morphine.

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Amiodarone blocks what?

Blocks calcium, sodium, and potassium channels.

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Nitroglycerin's effect?

Reducing preload via smooth muscle relaxation.

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Lopressor (metoprolol) class?

Beta-blocker.

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Verapamil and Cardizem are?

Calcium channel blockers.

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Aggrastat class?

Glycoprotein IIb/IIIa inhibitor.

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Morphine's MOA in chest pain?

Reduces myocardial oxygen demand via CNS suppression.

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Amiodarone used for?

V-tach, PVCs, and atrial tachycardias.

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Magnesium sulfate treats?

Torsades de Pointes.

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Study Notes

Cardiac & Emergency Pharmacology

  • Beta-blockers can cause dizziness, bradycardia, and hypotension as adverse effects.
  • Initial treatment for chest pain related to angina or NSTEMI involves oxygen, aspirin, nitroglycerin, and morphine.
  • Digoxin treats atrial fibrillation, CHF (congestive heart failure), and PSVT (Paroxysmal Supraventricular Tachycardia).
  • Heparin treats DVT (deep vein thrombosis), acute coronary syndrome, and PE (pulmonary embolism).
  • Metoprolol, Tenormin, and Inderal are beta-blockers.
  • Lidocaine functions as a Class 1B sodium channel blocker.
  • Bradycardia is treated with atropine and epinephrine.
  • Low doses of atropine can cause paradoxical bradycardia.
  • Furosemide (Lasix) is a loop diuretic.
  • Morphine is contraindicated in patients with respiratory depression and hypotension.
  • Adverse reactions to Lasix include hypokalemia, vertigo, and orthostatic hypotension.
  • Medications for left-sided CHF (pulmonary edema) are Lasix, nitroglycerin, and morphine.
  • Amiodarone blocks calcium, sodium, and potassium channels.
  • Nitroglycerin reduces preload via smooth muscle relaxation to alleviate chest pain.
  • Lopressor is a beta-blocker.
  • Verapamil and Cardizem are calcium channel blockers.
  • Aggrastat is a Glycoprotein IIb/IIIa inhibitor.
  • Morphine acts by reducing myocardial oxygen demand via CNS suppression in chest pain.
  • Amiodarone treats V-tach, PVCs, and atrial tachycardias.
  • Magnesium sulfate treats Torsades de Pointes.

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