Cardiovascular System Duarte Ferreira, PhD Karolinska Institutet, Department of Physiology and Pharmacology 29th October 2019
[email protected] BLOOD Blood Tortora GJ, Principles of Anatomy and Physiology Plasma Plasma • Mainly water + - • Bicarbonate pH buffer (H HCO3 ) • Plasma proteins • Albumin • Immunoproteins • Antibodies • Glucose • Lipids Erythrocytes (Red blood cells) Tortora GJ, Principles of Anatomy and Physiology Tortora GJ, Principles of Anatomy and Physiology Leukocytes (white blood cells) Tortora GJ, Principles of Anatomy and Physiology Leukocytes Tortora GJ, Principles of Anatomy and Physiology Platelets or Thrombocyte Wilmore, et al. Physiology of Sport and Exercise. Different blood groups Tortora GJ, Principles of Anatomy and Physiology Different blood groups Tortora GJ, Principles of Anatomy and Physiology HEART Position of the heart Tortora GJ, Principles of Anatomy and Physiology Blood flow through the heart Tortora GJ, Principles of Anatomy and Physiology Cardiac muscle Tortora GJ, Principles of Anatomy and Physiology Cardiac muscle Tortora GJ, Principles of Anatomy and Physiology Action potential The electrical system of the heart Tortora GJ, Principles of Anatomy and Physiology Pacemaker cells Tortora GJ, Principles of Anatomy and Physiology Aktionspotential av myocyter Tortora GJ, Principles of Anatomy and Physiology Action potential of myocytes Tortora GJ, Principles of Anatomy and Physiology Electrocardiogram (ECG) Tortora GJ, Principles of Anatomy and Physiology Electrocardiogram (ECG) Tortora GJ, Principles of Anatomy and Physiology Electrocardiogram (ECG) Tortora GJ, Principles of Anatomy and Physiology Electrocardiogram (ECG) Tortora GJ, Principles of Anatomy and Physiology Heart sounds Tortora GJ, Principles of Anatomy and Physiology Cardiac output Cardiac output = Heart rate × Stroke volume Volume/min = Beat/min × Volume/beat Cardiac output (CO) à The flow of blood delivered by the heart, or the total mean flow in the circulation.