20 The Heart PowerPoint® Lecture Presentations prepared by Jason LaPres Lone Star College—North Harris © 2012 Pearson Education‚ Inc. An Introduction to the Cardiovascular System • Learning Outcomes • 20-1 Describe the anatomy of the heart‚ including vascular supply and pericardium structure‚ and trace the flow of blood through the heart‚ identifying the major blood vessels‚ chambers‚ and heart valves. • 20-2 Explain the events of an action potential in cardiac muscle‚ indicate the
Premium Heart
Cells come from pre-existing cells via division Cells of all organisms fundamentally similar in structure‚ function‚ and metabolic functions Contain hereditary information passed down during cell division A cell’s volume increases faster than it’s surface area Less surface area = less are for nutrient/waste diffusion Solves via: Dividing‚ getting thinner‚ form microvilli‚ store nutrients (Microvilli – within small intestine) Cells are highly organized‚ 3 basic parts Plasma membrane Selective
Premium Immune system
PART ONE Medical-Surgical Cases 1 1 Cardiovascular Cardiovascular Disorders Case Study 1 Heart Failure Difficulty: Beginning Setting: Emergency department‚ hospital Index Words: heart failure (HF)‚ cardiomyopathy‚ volume overload‚ quality of life X Scenario M.G.‚ a “frequent flier‚” is admitted to the emergency department (ED) with a diagnosis of heart failure (HF). She was discharged from the hospital 10 days ago and comes in today stating‚ “I just had to come to the hospital today because I
Premium Hypertension Myocardial infarction Coronary artery disease
NUR 317 - Cardiac Exam Study Guide Define the following terms. Describe patient symptoms and conditions that could cause alterations in: Cardiac Output Volume of blood flowing through systemic or pulmonary circuit expressed in liters per min Normal= 5 L/min (resting adult) HRXSV= CO Factors: preload‚ afterload‚ myocardial contractility‚ heart rate As heart rate increases‚ this allows less time for diastole and the heart often cannot fill adequately. Therefore‚ a very rapid heart will often have
Free Cardiology Heart Myocardial infarction
The Cardiovascular System CHAPTER SUMMARY The importance of the cardiovascular system cannot be overstated. This is one system that students frequently know something about‚ at least from a plumbing viewpoint‚ but they often don’t completely understand the complexity of the system and the magnitude of its tasks. An essential component of presentation of the material is then to outline in detail the role of the cardiovascular system and its significance to all other body systems. This chapter
Premium Psychology Organ Blood
Introduction AG is 50yo female with a history of Sclerosing Mesenteritits‚ diabetes‚ hypothyroidism‚ smoking and alcohol abuse. She was admitted on 1-27-12 for severe abdominal pain along with nausea and vomiting. CT scan of the abdomen revealed a massive gastric dilation and thickening of the duodenal wall leading to occlusion of the duodenal lumen. I met AG on 2-23-12 when she was three weeks post-operative (post-op)‚ gastrojejunostomy‚ resection of the pancreatic head mass biopsy‚ and
Premium Pancreas
VIAGRA® (sildenafil citrate) Tablets DESCRIPTION VIAGRA®‚ an oral therapy for erectile dysfunction‚ is the citrate salt of sildenafil‚ a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Sildenafil citrate is designated chemically as 1-[[3-(6‚7-dihydro-1-methyl-7-oxo-3-propyl-1Hpyrazolo[4‚3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate and has the following structural formula: O C H 3C H 2 O CH3 N HN N
Premium Blood pressure Erectile dysfunction
Introduction to Medical Terminology Contents 1. Human Anatomy 3 1.1. 10 Major Body Systems 3 1.2. Body Planes 7 2. Components of Medical Terminology 7 3. Basic Medical Abbreviations 20 3.1 Symbols 27 3.2 Directional and Positional Terms 28 1. Human Anatomy 1.1. 10 Major Body Systems | Skeletal System | The main role of the skeletal system is to provide support for the body‚ to protect delicate internal organs and to provide attachment sites for the
Premium Blood Inflection
Air pollution From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Air pollution from World War II production Smog over Santiago‚ Chile Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone
Premium Air pollution
MEDICAL SURGICAL NURSING MEDICAL SURGICAL NURSING RESPIRATORY SYSTEM: List 4 common symptoms of pneumonia the Tachypnea‚ fever with chills‚ productive cough‚ nurse might note on a physical exam. bronchial breath sounds. State 4 nursing interventions for assisting Deep breathing‚ fluid intake increased to 3 liters/ the client to cough productively. day‚ use humidity to loosen secretions‚ suction airway to stimulate coughing. What symptoms of pneumonia might the nurse expect to see
Premium Pain Hypertension Renal failure