chapter 20 the cardiovascular system: the heart
... 10. The right atrium receives blood directly from 3 vessels. They are the a. superior vena cava, inferior vena cava, and left internal jugular vein b. superior vena cava, coronary sinus, and left internal jugular vein c. superior vena cava, inferior vena cava, and coronary sinus d. microglia 11. Th ...
... 10. The right atrium receives blood directly from 3 vessels. They are the a. superior vena cava, inferior vena cava, and left internal jugular vein b. superior vena cava, coronary sinus, and left internal jugular vein c. superior vena cava, inferior vena cava, and coronary sinus d. microglia 11. Th ...
Management of Arrythmias in Intensive Care Unit - e
... significant haemodynamic instability associated with a tachyarrhythmia (but not sinus tachycardia), prompt cardioversion is indicated and the Resuscitation Council Advanced Life Support guidelines should be followed. Stable patients with an arrhythmia should have a 12-lead ECG performed to diagnose ...
... significant haemodynamic instability associated with a tachyarrhythmia (but not sinus tachycardia), prompt cardioversion is indicated and the Resuscitation Council Advanced Life Support guidelines should be followed. Stable patients with an arrhythmia should have a 12-lead ECG performed to diagnose ...
Drugs for treating arrhythmias
... of life threatening ventricular arrhythmias, but only when the patient is unresponsive to less toxic agents (i.e. dofetilide or ...
... of life threatening ventricular arrhythmias, but only when the patient is unresponsive to less toxic agents (i.e. dofetilide or ...
The Heart - csfcbiology
... attached to specific places on a person’s chest and limbs. These detect changes in polarization in the heart by measuring current at the skin surface. The leads are connected to a machine that draws an electrocardiogram (ECG). 14 of 13 ...
... attached to specific places on a person’s chest and limbs. These detect changes in polarization in the heart by measuring current at the skin surface. The leads are connected to a machine that draws an electrocardiogram (ECG). 14 of 13 ...
Cardiovascular system - The Grange School Blogs
... 2. Sends a wave of excitation through the atria causing them to contract. 3. This then stimulates the AV node (atrioventricular node). 4. Sends a wave through the bundle of his and the purkingjie fibres causing the ventricles to contract. ...
... 2. Sends a wave of excitation through the atria causing them to contract. 3. This then stimulates the AV node (atrioventricular node). 4. Sends a wave through the bundle of his and the purkingjie fibres causing the ventricles to contract. ...
Cardiac Muscle
... occurs, the ventricles begin to beat at their own rate, which is much slower, some or all of the time. This condition is called heart block, • damage to the SA node results in a slower heart rate. When this is a problem, artificial pacemakers are usually installed surgically. • Ischemia (is-ke'me-ah ...
... occurs, the ventricles begin to beat at their own rate, which is much slower, some or all of the time. This condition is called heart block, • damage to the SA node results in a slower heart rate. When this is a problem, artificial pacemakers are usually installed surgically. • Ischemia (is-ke'me-ah ...
heart anatomy & arrhythmias
... Tachycardia can lead to decreased cardiac out (heart is not able to pump blood effectively) → can lead to shortness of breath, chest pain, light-headedness or loss of consciousness. In severe cases it can cause heart attack and death. ...
... Tachycardia can lead to decreased cardiac out (heart is not able to pump blood effectively) → can lead to shortness of breath, chest pain, light-headedness or loss of consciousness. In severe cases it can cause heart attack and death. ...
CIRCULATORY SYSTEM
... • SEMILUNAR VALVES – prevents blood from flowing back into heart from arteries • SEPTUM - partition that separates the right and left sides of the heart. • VENTRICLE - One of the two lower chambers of the heart. • ATRIUM - One of the two upper chambers of the heart. • ATRIOVENTICULAR VALVE - either ...
... • SEMILUNAR VALVES – prevents blood from flowing back into heart from arteries • SEPTUM - partition that separates the right and left sides of the heart. • VENTRICLE - One of the two lower chambers of the heart. • ATRIUM - One of the two upper chambers of the heart. • ATRIOVENTICULAR VALVE - either ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... manifestations depend primarily on the location of the tumor and, to a lesser extent, on the histologic type1 . Most common benign cardiac tumors in children are Rhabdomyomas(40- 60%)2, Fibromas(12-16%)2, and Myxomas (2-6%)2 . They often remain clinically unimportant and regress with age. Rarely the ...
... manifestations depend primarily on the location of the tumor and, to a lesser extent, on the histologic type1 . Most common benign cardiac tumors in children are Rhabdomyomas(40- 60%)2, Fibromas(12-16%)2, and Myxomas (2-6%)2 . They often remain clinically unimportant and regress with age. Rarely the ...
Irregular Heart Beat - The Bollinger Group
... or paroxysmal (comes and goes). If it is constant, it can be seen in the electrocardiogram (ECG). However, a 24 hour Holter monitor may be necessary for further evaluation. Some of the common types of irregular heart beats are discussed below. Sinus arrhythmia is the variation of heart rhythm with b ...
... or paroxysmal (comes and goes). If it is constant, it can be seen in the electrocardiogram (ECG). However, a 24 hour Holter monitor may be necessary for further evaluation. Some of the common types of irregular heart beats are discussed below. Sinus arrhythmia is the variation of heart rhythm with b ...
Electrophysiology Study / Catheter Ablation
... The aim of the procedure is to look for any abnormal heart rhythms or abnormal electrical pathways within the heart and in most cases use heat or cold to kill off destroy the area involved. It is performed using thin tubes inserted into the blood vessel/(s), usually at the top of your leg, through w ...
... The aim of the procedure is to look for any abnormal heart rhythms or abnormal electrical pathways within the heart and in most cases use heat or cold to kill off destroy the area involved. It is performed using thin tubes inserted into the blood vessel/(s), usually at the top of your leg, through w ...
Chapter 12, Part 2 – The Heart The Heart is a Double Pump
... Found in R. atrium near superior vena cava opening! Fastest rate of spontaneous depolarization! • Called “cardiac pacemaker” because it normally initiates the contraction signal! • Intrinsic rate = 80 - 100 depolarizations/min! ...
... Found in R. atrium near superior vena cava opening! Fastest rate of spontaneous depolarization! • Called “cardiac pacemaker” because it normally initiates the contraction signal! • Intrinsic rate = 80 - 100 depolarizations/min! ...
The Heart Beat The heart beat is caused by impulses arising from
... signals produced when viewing the heart beat via an ECG (Electrocardiogram). This traces the electrical activity of the heart. The wave shape produced is called the QRS wave, with each part of the wave being labelled to help describe what is happening at each stage. ...
... signals produced when viewing the heart beat via an ECG (Electrocardiogram). This traces the electrical activity of the heart. The wave shape produced is called the QRS wave, with each part of the wave being labelled to help describe what is happening at each stage. ...
AV node block
... Arrhythmias Detected on ECG continued • In flutter contraction rates can be 200-300/min • In fibrillation contraction of myocardial cells is uncoordinated & pumping ineffective – Ventricular fibrillation is life-threatening • Electrical defibrillation resynchronizes heart by depolarizing all cells ...
... Arrhythmias Detected on ECG continued • In flutter contraction rates can be 200-300/min • In fibrillation contraction of myocardial cells is uncoordinated & pumping ineffective – Ventricular fibrillation is life-threatening • Electrical defibrillation resynchronizes heart by depolarizing all cells ...
Cardiac Resynchronization Therapy (CRT)
... wear down, and they need to be changed every 5-7 years. Changing the batteries in a biventricular device is generally a simple operation. ...
... wear down, and they need to be changed every 5-7 years. Changing the batteries in a biventricular device is generally a simple operation. ...
Isla`s Presentation
... https://www.resus.org.uk/resuscitation-guidelines/peri-arrest-arrhythmias/ ...
... https://www.resus.org.uk/resuscitation-guidelines/peri-arrest-arrhythmias/ ...
Anaesthesia for patients with grown up congenital heart disease
... – Chronic cardiac failure – Chronic non cardiac coexisting diseases; diabetes, neurological, airway, renal and liver ...
... – Chronic cardiac failure – Chronic non cardiac coexisting diseases; diabetes, neurological, airway, renal and liver ...
SA node
... SA node is called the pacemaker of the heart SA node is composed of a group of specialized cardiac muscle cells Instead they are the cells that gained a property to generate spontaneous action potentials. ...
... SA node is called the pacemaker of the heart SA node is composed of a group of specialized cardiac muscle cells Instead they are the cells that gained a property to generate spontaneous action potentials. ...
Heart Health (Mrs. McMahon)
... the lungs for oxygen and then to the rest of the body. These are called the right and left atriums and the right and left ventricles. ...
... the lungs for oxygen and then to the rest of the body. These are called the right and left atriums and the right and left ventricles. ...
Cardiovascular System
... depolarizes (the action potential is spread over the atria) the atria contracts causing AS. VS – Ventricular contraction causes the ventricular pressure to increase – AV valves close. Pressure rises until the ventricular pressure exceeds the pressure in the blood vessels. Isometric contraction: AV ...
... depolarizes (the action potential is spread over the atria) the atria contracts causing AS. VS – Ventricular contraction causes the ventricular pressure to increase – AV valves close. Pressure rises until the ventricular pressure exceeds the pressure in the blood vessels. Isometric contraction: AV ...
天津医科大学授课教案
... Premature Atrial Complexes ,Atrial Flutter ,Atrial Fibrillation and Atrial Tachycardias 3 To master AV Junctional Escape Beats，Premature AV Junctional Complexes，AV Junctional Rhythm and Nonparoxysmal AV Junctional Tachycardia. 4 To master Premature Ventricular Complexes,Ventricular Tachycardia andVe ...
... Premature Atrial Complexes ,Atrial Flutter ,Atrial Fibrillation and Atrial Tachycardias 3 To master AV Junctional Escape Beats，Premature AV Junctional Complexes，AV Junctional Rhythm and Nonparoxysmal AV Junctional Tachycardia. 4 To master Premature Ventricular Complexes,Ventricular Tachycardia andVe ...