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Preload and Afterload Duration: 15:38 0.25 CME
Cardiovascular System / Physiology
Flashcards Video notes


Learning Objectives

In this video we will learn about :

1. Sarcomere structure and function.

2. Sarcomere length - tension relationship.

3. Frank starling law. 

4. Preload and force of contraction 

5. After load and velocity of contraction. 

 

Instructor

Dr. Mobeen Syed

Dr. Mobeen Syed

Mobeen Syed is the CEO of DrBeen Corp, a modern online medical education marketplace. Mobeen is a medical doctor and a software engineer. He graduated from the prestigious King Edward Medical University Lahore. He has been teaching medicine since 1994. Mobeen is also a software engineer and engineering leader. In this role, Mobeen has run teams consisting of hundreds of engineers and millions of dollars of budgets. Mobeen loves music, teaching, and doing business. He lives in Cupertino CA.


Videos in this series

Cardiac Drugs: Inotropes, Vasopressors, and Vasodilators Part 1 Cardiac Drugs: Inotropes, Vasopressors, and Vasodilators Part 1
Cardiac Drugs: Inotropes, Vasopressors, and Vasodilators Part 2 Cardiac Drugs: Inotropes, Vasopressors, and Vasodilators Part 2
Variability in Electrolytes: Managing Clinical Conditions Variability in Electrolytes: Managing Clinical Conditions
Perioperative Cardiac Complications Perioperative Cardiac Complications
Overview and Management of Vasculitis Overview and Management of Vasculitis
Takotsubo: A Case of Heart Failure Takotsubo: A Case of Heart Failure
Clinical Applications of Anti-Inflammatory/Anti-Histamine Drugs Clinical Applications of Anti-Inflammatory/Anti-Histamine Drugs
Clinical Application of Cardiac Drugs/Cardiac Pharmacology Clinical Application of Cardiac Drugs/Cardiac Pharmacology
Clinical Applications of Anti-Dysrhythmia Drugs Clinical Applications of Anti-Dysrhythmia Drugs
Shock: Pharmacological and Hemodynamic Implications Shock: Pharmacological and Hemodynamic Implications
Overview and Management of Congestive Heart Failure Overview and Management of Congestive Heart Failure
Acute ST Elevation MI during Non-Cardiac Surgery Acute ST Elevation MI during Non-Cardiac Surgery
Vascular Diseases (Part 1) Vascular Diseases (Part 1)
Ischemic Heart Disease (STEMI) Ischemic Heart Disease (STEMI)
Ischemic Heart Disease: Clinical Presentation Ischemic Heart Disease: Clinical Presentation
A Differential Diagnosis of Acute Chest Pain A Differential Diagnosis of Acute Chest Pain
Hypertension Epidemiology Hypertension Epidemiology
Diagnosis and Management of Hypertension Diagnosis and Management of Hypertension
Introduction to Heart Failure Introduction to Heart Failure
Clinical Applications of Antihypertensive Drugs (Part 1) Clinical Applications of Antihypertensive Drugs (Part 1)
Management of Hypertension by Dr. Anam Tariq Management of Hypertension by Dr. Anam Tariq
(Webinar) Hypertension Management (Part 1) (Webinar) Hypertension Management (Part 1)
(Webinar) Hypertension Management (Part 2) (Webinar) Hypertension Management (Part 2)
(Webinar) Hypertension Management (Part 3) (Webinar) Hypertension Management (Part 3)
(Webinar) Hypertension Management (part 4) (Webinar) Hypertension Management (part 4)
Webinar Recording - Congestive Heart Failure (CHF) Webinar Recording - Congestive Heart Failure (CHF)
Atherosclerosis - Clinical Importance Atherosclerosis - Clinical Importance
Atherosclerosis Progression - Clinical Horizon Atherosclerosis Progression - Clinical Horizon
Atherosclerosis - Pathogenesis Atherosclerosis - Pathogenesis
High Output Cardiac Failure: Diagnosis and Discussion High Output Cardiac Failure: Diagnosis and Discussion
Right Sided Heart Failure Right Sided Heart Failure
Left Sided Heart Failure Left Sided Heart Failure
Cardiac Murmurs Cardiac Murmurs
Abnormal Sinus Rhythm Abnormal Sinus Rhythm
Sinoatrial Nodal Block (SA Nodal Block) Sinoatrial Nodal Block (SA Nodal Block)
First and Second Degree Heart Blocks First and Second Degree Heart Blocks
Third Degree Heart Blocks Third Degree Heart Blocks
Electrical Alternans Purkinje Blocks Electrical Alternans Purkinje Blocks
Fibrillation and Flutter Fibrillation and Flutter
Paroxysmal Tachycardia Paroxysmal Tachycardia
Premature Atrial Beats Premature Atrial Beats
Premature AV Nodal Junction Beats Premature AV Nodal Junction Beats
Premature Ventricular Beats Torsades De Pointes Premature Ventricular Beats Torsades De Pointes
Paroxysmal Supraventricular Tachycardia (PSVT) Paroxysmal Supraventricular Tachycardia (PSVT)
Cardiomyopathies Cardiomyopathies
Hypertension - Pathogenesis Hypertension - Pathogenesis
Hypertension - Complications Hypertension - Complications
Angina Pectoris (Chest Pain) Angina Pectoris (Chest Pain)
Myocardial Infarction (MI) - Pathophysiology Myocardial Infarction (MI) - Pathophysiology
Myocardial Infarction (MI) - Cellular Events and Complications Myocardial Infarction (MI) - Cellular Events and Complications
Hypertensive Emergencies (Dr. Bhatti) Hypertensive Emergencies (Dr. Bhatti)
MTHFR Enzyme Deficiency and Cardiovascular Health MTHFR Enzyme Deficiency and Cardiovascular Health
EKG Fundamentals: Measurement (Part 1) EKG Fundamentals: Measurement (Part 1)
EKG Fundamentals: Measurement (Part 2) EKG Fundamentals: Measurement (Part 2)
EKG Leads EKG Leads
Understanding an EKG Wave Understanding an EKG Wave
Utilizing EKG Leads to Represent Cardiac Surfaces Utilizing EKG Leads to Represent Cardiac Surfaces
Hypertrophy and Enlargement of the Heart Hypertrophy and Enlargement of the Heart
Cardiac Axis Using Isoelectric Lead Method Cardiac Axis Using Isoelectric Lead Method
Cardiac Axis Using Quadrant Method Cardiac Axis Using Quadrant Method
SA Nodal Arrhythmias SA Nodal Arrhythmias
Ectopic Rhythms Ectopic Rhythms
Atrial and Junctional Premature Beats Atrial and Junctional Premature Beats
Atrial Flutter Atrial Flutter
Atrial Fibrillation Atrial Fibrillation
Management of Atrial Fibrillation Management of Atrial Fibrillation
Multifocal Atrial Tachycardia (MAT) Multifocal Atrial Tachycardia (MAT)
Focal Atrial Tachycardia (Paroxysmal Atrial Tachycardia) Focal Atrial Tachycardia (Paroxysmal Atrial Tachycardia)
Premature Ventricular Contractions (EKG Interpretation) Premature Ventricular Contractions (EKG Interpretation)
Ventricular Tachycardia Ventricular Tachycardia
Ventricular Fibrillation (V-Fib) Ventricular Fibrillation (V-Fib)
Accelerated Idioventricular Arrhythmia Accelerated Idioventricular Arrhythmia
(Webinar) EKG Fundamentals (Webinar) EKG Fundamentals
(Webinar) EKG Leads and Normal Waveform (Webinar) EKG Leads and Normal Waveform
(Webinar) Cardiac Axis Determination and Its Clinical Significance (Webinar) Cardiac Axis Determination and Its Clinical Significance
General Principles of Hemodynamics (Part 1) General Principles of Hemodynamics (Part 1)
General Principles of Hemodynamics (Part 2) General Principles of Hemodynamics (Part 2)
Pulmonary Vascular Circuit Changes Under Varying Conditions Pulmonary Vascular Circuit Changes Under Varying Conditions
Blood Flow Velocity Blood Flow Velocity
Blood Flow Velocity - Review Blood Flow Velocity - Review
Blood Flow Hemodynamics Blood Flow Hemodynamics
Poiseuille's Equation Poiseuille's Equation
Vascular Compliance Vascular Compliance
Reynolds Number Reynolds Number
General Principles of Pressure Dynamics General Principles of Pressure Dynamics
Blood Flow Autoregulation Blood Flow Autoregulation
Nitric Oxide Nitric Oxide
Muscle Blood Flow Regulation Muscle Blood Flow Regulation
Cutaneous Blood Flow Regulation Cutaneous Blood Flow Regulation
Cerebral Blood Flow Regulation Cerebral Blood Flow Regulation
Coronary Blood Flow Regulation Coronary Blood Flow Regulation
Pulmonary Vessels: Metabolic and Reservoir Function Pulmonary Vessels: Metabolic and Reservoir Function
Factors Affecting Passive Pulmonary Circuit Factors Affecting Passive Pulmonary Circuit
Baroreceptors: A Primer on Blood Pressure Regulation Baroreceptors: A Primer on Blood Pressure Regulation
An Overview on Electrophysiology An Overview on Electrophysiology
Nodal Action Potentials Nodal Action Potentials
Autonomic Control of the Nodal Action Potentials Autonomic Control of the Nodal Action Potentials
Excitation Contraction Coupling Excitation Contraction Coupling
Cardiac Contractility Cardiac Contractility
Preload and Afterload Preload and Afterload
Cardiac Cycle Cardiac Cycle
Pressure-Volume Loops Pressure-Volume Loops
Clinical Application of Pressure-Volume Loops Clinical Application of Pressure-Volume Loops
Measuring Cardiac Output Measuring Cardiac Output
Cardiac and Venous Curves Cardiac and Venous Curves
Cardiac and Venous Curves - Review Cardiac and Venous Curves - Review
Heart Sounds Heart Sounds
Introduction to Murmurs Introduction to Murmurs
Embryology of the Heart Tubes Embryology of the Heart Tubes
Embryology of the Heart Tubes - Review Embryology of the Heart Tubes - Review
Development of the Conduction System of the Heart Development of the Conduction System of the Heart
Atrial Development Atrial Development
Atrial Development and Defects Atrial Development and Defects
Pharyngeal Arch Arteries Pharyngeal Arch Arteries
Ventricles and Aorticopulmonary Septum Ventricles and Aorticopulmonary Septum
Ventricles and Aorticopulmonary Septum - Review Ventricles and Aorticopulmonary Septum - Review
Development of the Inferior Vena Cava Development of the Inferior Vena Cava
Fetal Circulation Fetal Circulation