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4. Pathophysiology of cardiac arrhythmia?
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- 4. Explain the clinical manifestation of Cardio Vascular Accidents.16. Explain why ventricular arrhythmias can have serious consequences.6. The diagram shows stroke volume as a function of right atrial pressure. The solid curve shows normal cardiac function. Movement from point X on the solid curve to point Y on the dashed curve is most likely to be caused by which of the following physiologic changes? A) Decreased heart rate B) Increased afterload C) Increased vascular volume D) Increased venous return E) Stimulation of the sympathetic nerves to the heart Stroke volume (mL) 110 90- 70- 50 30 10- 1 2 3 Right atrial pressure (mm Hg) 4
- 10. If given a diagram of the heart, such as the one below, be able to identify each of the following parts of the conduction system: • sinoatrial (SA) node • • . spread of SA through the 2 atria atrioventricular (AV) node ● • • • 11. Trace the flow of impulses through the conduction system (step by step) and include at what points the following happen: 2 atria contract together AV node delay occurs AV bundle (=bundle of His) bundle branches Purkinje fibers Focus F5. What is hyperkalemia and what is the clinical term for its chronotropiceffect on the heart?4. Define the following terms: Electrocardiograph Electrocardiogram (=EKG = ECG) Bradycardia Tachycardia Auscultation Stethocope Fast heart rate Slow heart rate
- 09.For Atrial Fibrillation, describe how the pathophysiological disorder or condition changes the basic anatomy and physiology of the human body system involved. Describe what could be the potential impact of these health problems regarding a person’s nursing care requirements.?es) V 11. Trace the flow of impulses through the conduction system (step by step) and include at what points the following happen: 2 atria contract together 000 P F4 ● ● AV node delay occurs • interventricular septum contracts the outer walls of the 2 ventricles contract together ● F5 SEP 20 MacBook Air F6 F7 Focus ▶11 F8 BO F9 =I F108. Circle the term that does not belong in each of the following groupings. 1. AV valves closed AV valves open. SA node is pacemaker Ventricular systole 2. No P wave 3. Ventricles fill 4. Early diastole Semilunar valves open Ventricular pressure drops 5. Stenotic valve Restricted blood flow Heart sound after valve closes 6. Isovolumetric ventricular systole Semilunar valve closed Ventricular systole AV node is pacemaker AV valves open Semilunar valves open Junctional rhythm Late diastole Isovolumetric relaxation High-pitched heart sound Blood volume unchanging AV valve open