Exam 1: NSG223/ NSG 223 (New 2024/ 2025 Update) Med Surg 2 Exam| Questions and Verified Answers| 100% Correct| Graded A- Herzing

Exam 1: NSG223/ NSG 223 (New 2024/ 2025 Update) Med Surg 2 Exam| Questions and Verified Answers| 100% Correct| Graded A- Herzing QUESTION What is the PR Interval The PR interval is measured from the beginning of the P wave to the beginning of the QRS complex. It represents the time needed for sinus node stimulation, atrial depolarization, and conduction through the AV node before ventricular depolarization QUESTION What is the ST Segment Answer: The ST segment, which represents early ventricular repolarization, lasts from the end of the QRS complex to the beginning of the T wave. QUESTION QT Interval Time Frame Answer: The QT interval is usually 0.32 to 0.40 seconds in duration if the heart rate is 65 to 95 bpm. QUESTION Complication of Long QT Answer: Many medications commonly given in the hospital can cause prolongation of the QT interval (QTc), placing the patient at risk for a lethal ventricular dysrhythmia called torsades de pointes QUESTION What is the QT Interval Answer: represents the total time for ventricular depolarization and repolarization, is measured from the beginning of the QRS complex to the end of the T wave QUESTION Procainamide Class, Use, and Adverse Effects Answer: •Functional Class: Antidysrhythmic •Therapeutic USE: Life threatening atrial and ventricular arrythmias •Side Effects: hypotension, headache, dizziness •Adverse Effects: Heart block, cardiovascular collapse lupus like symptoms. QUESTION Amiodarone Class, Use, and Adverse Effects Answer: •Functional Class: Antidysrhythmic •Therapeutic Use: Hemodynamically unstable ventricular tachycardia, SVT, Vfibnot controlled by 1st line agents (Epinephrine) •Side Effects: Hypotension, dizziness, fatigue, bradycardia •Adverse Effects: Hepatotoxic, Pneumotoxic Get baselines before giving QUESTION Heparin Class, Use, and Adverse Effects Answer: •Functional Class: Anticoagulant, Antithrombotic •Therapeutic Use: Thrombosis prevention in MI, PE, open Heart Surgery, DVT •Side Effects: rash, fever, hyperkalemia •Adverse Effects: Hemorrhage, Thrombocytopenia, anaphylaxis QUESTION Heparin Nursing Conisderations, PTT Level, and Antidote Answer: •Nursing Considerations: Uses PTT to adjust dosing •PTT level •Normal 25-35 seconds •Therapeutic on Heparin: 45-70 seconds •Antidote: Protamine Sulfate: 1mg/100mg of Heparin QUESTION Nitroglycerin IV, Uses, Class, and Adverse effects •Functional Class: Antianginal, Coronary Vasodilator •Therapeutic Use: Chronic Stable Angina, Heart Failure,