Word version of this scenario
... History from a patient or witness following a syncopal episode; indication for hospital admission Take a thorough medication history Examination of a patient post syncope; recognise signs of haemodynamic compromise Perform an ECG; identify atrial fibrillation and flutter, supraventricular tachycardi ...
... History from a patient or witness following a syncopal episode; indication for hospital admission Take a thorough medication history Examination of a patient post syncope; recognise signs of haemodynamic compromise Perform an ECG; identify atrial fibrillation and flutter, supraventricular tachycardi ...
PSE4U EXERCISE SCIENCE
... ii) Atrioventricular (AV) node – located in the right atrium along the lower part of the iii) Atrioventricular (AV) bundle (Bundle of His) iv) Purkinje fibres cardiac control centre located in the brain (medulla oblongata), the impulse for the heart contraction travels down to the sinoatrial (SA) ...
... ii) Atrioventricular (AV) node – located in the right atrium along the lower part of the iii) Atrioventricular (AV) bundle (Bundle of His) iv) Purkinje fibres cardiac control centre located in the brain (medulla oblongata), the impulse for the heart contraction travels down to the sinoatrial (SA) ...
VERAPAMIL (CALAN)
... Blocks the entry of calcium into the cell Slows conduction through the AV node Negative chronotrope (slows heart rate) Negative inotrope (decreased force of cardiac contraction) To control the rate in hemodynamically stable atrial fibrillation or INDICATIONS atrial flutter with rapid ventric ...
... Blocks the entry of calcium into the cell Slows conduction through the AV node Negative chronotrope (slows heart rate) Negative inotrope (decreased force of cardiac contraction) To control the rate in hemodynamically stable atrial fibrillation or INDICATIONS atrial flutter with rapid ventric ...
Heart and Circulatory System?Arrhythmia (Irregular Heartbeat)
... that originate in the upper chambers of the heart, the atria, are referred to as "supraventricular" arrhythmias. The atria are the heart's pacemakers and also act as primers for the pump chambers, the ventricles. The most common atrial arrhythmia is atrial fibrillation, which is a rapid, irregular r ...
... that originate in the upper chambers of the heart, the atria, are referred to as "supraventricular" arrhythmias. The atria are the heart's pacemakers and also act as primers for the pump chambers, the ventricles. The most common atrial arrhythmia is atrial fibrillation, which is a rapid, irregular r ...
Electrocardiogram findings
... A rhythm in which more than the normal number of impulses arise from the sinus node. Rhythm is not of diagnostic significance unless the rate elevates above 130 beats per minute. Ectopic Atrial Rhythm, Atrioventricular Junctional Rhythm, Wandering Pacemaker ...
... A rhythm in which more than the normal number of impulses arise from the sinus node. Rhythm is not of diagnostic significance unless the rate elevates above 130 beats per minute. Ectopic Atrial Rhythm, Atrioventricular Junctional Rhythm, Wandering Pacemaker ...
The cardiac cycle is initiated and controlled by the heart itself
... f)..................... which is made of specialized conducting cells called g).......................... These then carry the waves of depolarization through the ventricle walls causing both ventricles to contract simultaneously. At this stage the h)..................... are open and the i)........ ...
... f)..................... which is made of specialized conducting cells called g).......................... These then carry the waves of depolarization through the ventricle walls causing both ventricles to contract simultaneously. At this stage the h)..................... are open and the i)........ ...
How does the heart function?
... • 4. The ventricles contract after a delay of about .11 seconds Why do you think there is a delay before the ventricles contract? ...
... • 4. The ventricles contract after a delay of about .11 seconds Why do you think there is a delay before the ventricles contract? ...
Cardiac rhythm management treatments
... or SA node), in the right atrium. The sinus node is responsible for setting the rate and rhythm of the heart and is therefore referred to as the heart’s pacemaker. The electrical impulse fired from the SA node spreads throughout the atria, causing them to contract and squeeze blood into the ventricl ...
... or SA node), in the right atrium. The sinus node is responsible for setting the rate and rhythm of the heart and is therefore referred to as the heart’s pacemaker. The electrical impulse fired from the SA node spreads throughout the atria, causing them to contract and squeeze blood into the ventricl ...
Outline the control of the heart beat in terms of myogenic muscle
... the heart usually beats about 50 to 70 times each minute, and the heart rate may increase 2- to 3-fold during stress or exercise. If the heart beats too slowly, the brain and body do not get enough blood flow and a variety of symptoms may result. ...
... the heart usually beats about 50 to 70 times each minute, and the heart rate may increase 2- to 3-fold during stress or exercise. If the heart beats too slowly, the brain and body do not get enough blood flow and a variety of symptoms may result. ...
Pediatric Dysrhythmias Board Review
... Isolated premature atrial contractions Isolated premature ventricular contractions First degree AV block ...
... Isolated premature atrial contractions Isolated premature ventricular contractions First degree AV block ...
Control of Heart Contractions
... ARRHYTHMIA – any change from normal heart rate or rhythm Normal pulse range 60-100 ...
... ARRHYTHMIA – any change from normal heart rate or rhythm Normal pulse range 60-100 ...
Rapid Heartbeat - Heart Rhythm Society
... more beats per minute. This rapid heart rate is normal and appropriate, and does not pose any danger. ...
... more beats per minute. This rapid heart rate is normal and appropriate, and does not pose any danger. ...
Key Revision Points for Cardiac Function Key points about the
... SAN is the heart’s pacemaker – intrinsic rhythm. Impulses spread through the atria causing contraction of both atria. Impulse picked up by AVN. Impulse spreads through septum in the bundle of His. Impulse then spreads through ventricles in Purkinje fibres causing ventricular contraction. ...
... SAN is the heart’s pacemaker – intrinsic rhythm. Impulses spread through the atria causing contraction of both atria. Impulse picked up by AVN. Impulse spreads through septum in the bundle of His. Impulse then spreads through ventricles in Purkinje fibres causing ventricular contraction. ...
Adult Medical –Surgical Nursing 1
... Radiofrequency, cryoablation or electrical ablation used ...
... Radiofrequency, cryoablation or electrical ablation used ...
Slide 1 - AccessCardiology
... only on ECG is more difficult because the RR are regular. C. Patient with crisis of atrial fibrillation with a very fast response of the ventricles (>300 ×′) and, Citation: Fuster Walsh RA, Harrington RA. TheR-R Heart, 13e; 2011 Available at: http://mhmedical.com/ Accessed: Maywhich ...
... only on ECG is more difficult because the RR are regular. C. Patient with crisis of atrial fibrillation with a very fast response of the ventricles (>300 ×′) and, Citation: Fuster Walsh RA, Harrington RA. TheR-R Heart, 13e; 2011 Available at: http://mhmedical.com/ Accessed: Maywhich ...
The Pacemaker
... Problems with rate or rhythm of the heartbeat Bradycardia Heart beats too slowly Damage vital organs ...
... Problems with rate or rhythm of the heartbeat Bradycardia Heart beats too slowly Damage vital organs ...
Arrhythmias
... transmitted to the lower chambers, heart block occurs. Then, the heart beats too slowly, reducing the oxygen supply to the body and brain. Long QT Syndrome (LQTS): A disorder of the electrical system that can be inherited, acquired after taking certain medications, or caused by a combination of here ...
... transmitted to the lower chambers, heart block occurs. Then, the heart beats too slowly, reducing the oxygen supply to the body and brain. Long QT Syndrome (LQTS): A disorder of the electrical system that can be inherited, acquired after taking certain medications, or caused by a combination of here ...
Cardiac Monitoring
... • A network of specialized cells in the heart • Conducts electrical current throughout the heart • The flow of electrical current causes contractions that produce pumping of blood. VIDEO ...
... • A network of specialized cells in the heart • Conducts electrical current throughout the heart • The flow of electrical current causes contractions that produce pumping of blood. VIDEO ...
Common Arrhythmias in Dogs and Cats
... produce symptoms including excessive/inappropriate panting, shortness of breath, weakness or even collapse and/or fainting (syncope). Patients suffering from symptomatic SVT may respond to specific antiarrhythmic medications. Supraventricular tachycardia may occur in patients with or without structu ...
... produce symptoms including excessive/inappropriate panting, shortness of breath, weakness or even collapse and/or fainting (syncope). Patients suffering from symptomatic SVT may respond to specific antiarrhythmic medications. Supraventricular tachycardia may occur in patients with or without structu ...
Title: The Cardiac Conduction System
... 1- Introduction: The inherent and rhythmical electrical activity in the heart is responsible for its continuous beating. The source of this beating is a group of highly specialized cells called the autorhythmic cells. a- These cells are self-excitable b- They repeatedly generate action potentials th ...
... 1- Introduction: The inherent and rhythmical electrical activity in the heart is responsible for its continuous beating. The source of this beating is a group of highly specialized cells called the autorhythmic cells. a- These cells are self-excitable b- They repeatedly generate action potentials th ...
PDF - US Pharmacist
... the heart, is to slow the heart rate down and allow it to resume a normal rhythm. Sometimes the doctor may recommend activities that slow the vagal nervous system, which controls the heart rate. These activities include coughing, straining, or holding your breath. Drugs used in these patients includ ...
... the heart, is to slow the heart rate down and allow it to resume a normal rhythm. Sometimes the doctor may recommend activities that slow the vagal nervous system, which controls the heart rate. These activities include coughing, straining, or holding your breath. Drugs used in these patients includ ...
control of Heart beat
... The heart is made up of cardiac muscle. Cardiac muscle is myogenic, which ...
... The heart is made up of cardiac muscle. Cardiac muscle is myogenic, which ...
20-1: The Heart - Jordan High School
... • Purpose of coronary circulation • Coronary arteries vs. coronary veins (functions, not names) • Read Spotlight Figure 20-10 (pg 682 – 683) on heart disease & heart attacks ...
... • Purpose of coronary circulation • Coronary arteries vs. coronary veins (functions, not names) • Read Spotlight Figure 20-10 (pg 682 – 683) on heart disease & heart attacks ...