'Ventricular systole' presentation slideshows

Cardiac Pathophysiology

Cardiac Pathophysiology. Pericarditis. Often local manifestation of another disease May present as: Acute pericarditis Pericardial effusion Constrictive pericarditis. Acute Pericarditis. Acute inflammation of the pericardium

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EKG Extravaganza!

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Cardiac Cycle

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Chapter 19 Functions of the Blood Vessels

Chapter 19 Functions of the Blood Vessels. Introduction. The circulatory system performs five main functions. . Functions as a Delivery System. The circulatory system delivers oxygen and nutrients to the cells.

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WINDSOR UNIVERSITY SCHOOL OF MEDICINE

WINDSOR UNIVERSITY SCHOOL OF MEDICINE . Mechanical Action of the Heart: The Cardiac Cycle Dr.Vishal Surender .MD. Learning Objectives After reading this chapter you should be able to: 1. Describe the organization of the cardiovascular system.

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The heart and heart disease

The heart and heart disease. 5.2 The cardiac cycle. Learning outcomes. Students should understand the following: Myogenic stimulation of the heart and transmission of a subsequent wave of electrical activity.

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The Cardiac Cycle Chapter 3

The Cardiac Cycle Chapter 3. Ara G. Tilkian, MD, FACC Instructor Patricia L. Thomas, MBA, RCIS. The Cardiac Cycle. Atrial and Ventricular Diastole and Systole The sounds of the Heart The valves and papillary Muscles Valvular Pathophysiology. Atrial & Ventricular Diastole.

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The Heart: Cardiac Cycle

The Heart: Cardiac Cycle. Events of one complete heartbeat Both atria and ventricles contract and relax Takes: .8 seconds to complete In one minute: completed 50-80 cardiac cycles Atria contract simultaneously Atria relax, then ventricles contract

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Blood Vessels: Anatomy (to blood vessel notes and write this slide down)

Blood Vessels: Anatomy (to blood vessel notes and write this slide down). Three layers (tunics) Tunic intima ( interna ) Endothelium Loose connective tissue Tunic media Smooth muscle Controlled by sympathetic nervous system Active in changing the diameter of the vessels

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Transport Mechanisms

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CHAPTER 1 The Anatomy of the Heart { Structure }

Understanding 12 Lead EKGs A Practical Approach Brenda M. Beasley, RN, BS, EMT-Paramedic Michael C. West, RN, MS, EMT- Paramedic CHAPTER 1 The Anatomy of the Heart { Structure } Anatomy of the Heart Objectives: Describe the chambers of the heart Atria Ventricles

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The Cardiovascular System

The Cardiovascular System. Heart Actions. Heart sounds Cardiac Muscle Cardiac Conduction system ECG. Normal for humans 60-100 bpm. Heartbeat. Systole = contraction Diastole = filling/relaxation Brady cardia (slow) vs. tachy cardia (fast). Atrial S ystole /ventricular Diastole

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Conduction

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The Heart

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The Circulatory System

The Circulatory System. The Heart. Lecture # 4. (Chapter 19). Blood Flow, Heart Sounds, and Cardiac Cycle Cardiac Output. The Heart. Gas exchange. Poor oxygen blood. Gas exchange. Superior vena cava . Pulmonary arteries. Coronary sinus. Reach oxygen blood. Pulmonary veins.

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Transport Mechanisms

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Closed and Open Circulatory Systems

Closed and Open Circulatory Systems. Closed system: Blood never leaves vessels. Blood travels through closed blood vessels. Lymph travels through closed lymph vessels. Single heart. The Evolution of the Vertebrate Circulatory System. Crocodiles. Fish. Frogs. Turtles, lizards. Birds.

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Electrocardiography:

Electrocardiography:. ECGs or EKGs. Electrocardiograph. Records electrical activity of cardiac muscle Graph showing all action potentials generated by nodal & contractile cells. Reading an EKG. EKGs have 3 deflections (waves)

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Pressure changes during the cardiac cycle

Pressure changes during the cardiac cycle. Ventricle systole. Atrial systole. N. L. P. Diastole. What is happening at L-M. L: Ventricular systole starts Ventricular pressure greater than atrial pressure. Therefore AV valves shut. M: Ventricular systole

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