Duration of qt interval - Study guides, Class notes & Summaries

PCCN practice exam notes (2024) with correct answers Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - Correct Answer ️️ -C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrh...

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - correct answer C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrhythmias is the patient at risk for? A. Atrial fibrillation...

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - correct answer -C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrhythmias is the patient at risk for? A. Atrial fibrillation ...

AACN Telemetry Exam Questions and Answers number of seconds of 1 small box ANSWER .04 number of seconds of 1 large box ANSWER .20 tic mark every ___ seconds ANSWER 3 QRS complex ANSWER 0.06-0.10 QT interval ANSWER 0.30-0.44 subsequent upward ANSWER R prime 5 things to look at for every ECG ANSWER P waves, PR interval, QRS duration, rate, regularity what is the HR if a QRS wave is ___ boxes from another QRS wave for 1 box? 2 boxes? 3 boxes? 4 boxes? 5 boxes? 6 boxes?...

What are the 6 parts of the cardiac conduction cycle? correct answer: -SA node -Internodal pathways -AV node -Bundle of His -R and L bundle branches -Purkinje fibers What is the SA node? correct answer: -Small cluster of cells located in the upper R atrium *-Pacemaker of the heart* What are internodal pathways? correct answer: Impulses sent by the SA node that travel through the atrial muscle fibers via the intra-atrial pathways Allows for simultaneous depolarization and contra...

ANTI-GLAUCOMA DRUGS - Drugs That Reduce Intraocular Pressure By Lowering The Amount Of Aqueous Humor In The Eyeball, Reducing Its Production, Or Increasing Its Outflow ADVERSE EFFECTS OF TETRAHYDROCANNABINOIDS - Drowsiness, dizziness, anxiety, confusion, euphoria, visual disturbances, and dry mouth. ACETIC ACID DERIVATIVES - KETORLAC ( TORADOL) ACETYLCHOLINE PILOCARPINE - Direct Acting Cholinergic Drug Indication-Primary Open Angled And Acute Angle Closure Glaucoma Or Ocular Hypertension ...

NR 565 - ADVANCED PHARMACOLOGY MIDTERM - CHAMBERLAIN PRACTICE EXAM; MOCK PRACTICE/ QUESTIONS AND ANSWERS, GRADED A+ What are two functions of naloxone when a patient is on buprenorphine? A. Prevention of toxicity B. Stop constipation caused by Buprenorphine C. Cannot readily reverse toxicity already occurring D. Both A and C D. Both A and C 3 multiple choice options Why must an NP be cautious when prescribing medications to the elderly population? A. Due to their diagnosis of dement...

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - C The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the following dysrhythmias is the patient at risk for? A. Atrial fibrillation because the P...

Nitroprusside purpose - Answer- decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - Answer- contractility Dopamine at a low-end dose "renal dose" - Answer- 0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - Answer- 4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - Answer- greater than 10mcg/kg/min vasoconstriction and increases BP Dopamine and Levophed inf...