It leads to brady - Study guides, Class notes & Summaries

Telemetry Test 52 Questions with Verified Answers Action potential - CORRECT ANSWER the graphic representation of cellular electrical events, describes the changes in intracardiac voltage that lead to impulse formation and conduction and, ultimately, to cardiac contraction Automaticity - CORRECT ANSWER the ability to initiate impulses spontaneously Conductivity - CORRECT ANSWER the ability to conduct an impulse along the cell membrane Contractility - CORRECT ANSWER the ability to con...

Adult Health II HESI Questions and Answers Graded A+ normal PR interval 0.12 0.20 (seconds) 3 5 (boxes) normal QRS interval 0.06 0.12 (seconds) 1 3 (boxes) pt with a 0.40 PR interval heart block takes long for the signal to travel from the SA to AV node heart block (long PR interval) order of heart impulse travel SA AV bundle of his bundle branch purkinje [brady/tachy] CCB, beta blockers, opioids brady [brady/tachy] digoxin brady low __ and __ high __ can potentiate digoxin toxicity K Mg...

Cardiac Index 2-4 SVR/Afterload 800-1200 MAP mean CVx80/CO PA pressure 15-30 Wedge PCWP pressure 6-12 Hypovolemic Shock Parameters Preload CVP decreased, SVR afterload increased, CI decreased, Oxygen delivery Decreased, Venous Oxygen saturation increased Types of hypovolemic shock Hemorrhage, burns, pancreatitis Cardiogenic shock parameters CVP preload increased, SVR afterload increased, CI decreased, oxygen delivery decreased, SV02 decreased Types of cardiogenic shock Post mi, ...

Fluid Volume Excess (hypervolemia) - Too much fluid in the vascular space caused by: HF, RF, and High Na intake (meds, food, IVF with Na) and Hormones (aldosterone and ADH) How does HF cause FVE (Fluid Volume Excess)? - bc the weak heart cant perfuse the the kids therefore decreased Urine out put. How does RF cause FVE? - the kidneys are not functioning therefore no urine out put and fluid remains in vasc space Aldosterone - created in adrenal glands on Kidneys, it is a ster...

IBHRE ATI practice Questions and Answers 2023 How many HZ are in bpm? 1 HZ is equal to 60 bpm In what relation are the units microamps and milliamps used in terms of equations? Microamps is a unit of current drain of battery for battery longevity. Milliamps is a unit for ohms law and the energy equation. In the Ohms law equation, what are the units? V=I x R: Volts= mA x kOhms What is the formula for energy? E = V x I x PW and can be converted into E = (V^2 x PW)/R. E i...

FISDAP READINESS Exam Prep 2022 Question Bank 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 depolar...

1 MED SURG EXAM 2 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ what should you absolute neutrophil count be (ANC) Correct Answer: neutropenia Correct Answer: ANC <1500 moderate neutropenia Correct Answer: ANC 500-999 severe neutropenia Correct Answer: ANC < 500 things to avoid if pt is neutropenic Correct Answer: - fresh cut flowers (wilt, die, grow mold) - processed meats, undercooked meats (food bourne illness) chemo & radiation Correct Answer: cannot d...

GI PCCN Exam 52 Questions with Verified Answers The most common causative organism of antibiotic-associated colitis is A. Clostridium difficile. B. Staphylococcus aureus. C. Salmonella. D. Escherichia coli. - CORRECT ANSWER A. Clostridium difficile is an anaerobic gram-positive, spore-forming, toxin-producing bacillus that causes antibiotic-associated colitis. It colonizes the human intestinal tract after the normal gut flora have been altered by antibiotic therapy. It produces exotoxins ...

Where are Beta 1 receptors found? - Answer Heart and Kidneys Stimulation of Beta 1 receptors result in an increase of what? - Answer 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. - Answer SA Node Atrial depolarization characteriz...