Chapter 12 * Cardiovascular System
... RELAX and semilunar valves are closed "lub" = closing of atrioventricular valves Then VENTRICLES CONTRACT while ATRIA RELAX and atrioventricular valves are closed. "DUPP" = closing of the semi-lunar valves ...
... RELAX and semilunar valves are closed "lub" = closing of atrioventricular valves Then VENTRICLES CONTRACT while ATRIA RELAX and atrioventricular valves are closed. "DUPP" = closing of the semi-lunar valves ...
Unit K * Heart Structure and Function
... • Heart muscle tissue can contract on its own = intrinsic • Cardiac cells will coordinate their contractions if cells touch ...
... • Heart muscle tissue can contract on its own = intrinsic • Cardiac cells will coordinate their contractions if cells touch ...
Heart rhythm 101
... heart needs “electricity’ to start the pump The heart is made of specialized muscle tissue to conduct electricity The heart as special nodes, branches and fibers so the signals can pass quickly through the heart ...
... heart needs “electricity’ to start the pump The heart is made of specialized muscle tissue to conduct electricity The heart as special nodes, branches and fibers so the signals can pass quickly through the heart ...
Cardiovascular Disorders
... • Results from – Problem in heart itself – Increased demands placed on heart ...
... • Results from – Problem in heart itself – Increased demands placed on heart ...
Cardiovascular Disorders
... • Results from – Problem in heart itself – Increased demands placed on heart ...
... • Results from – Problem in heart itself – Increased demands placed on heart ...
Cardiovascular Disorders
... • Results from – Problem in heart itself – Increased demands placed on heart ...
... • Results from – Problem in heart itself – Increased demands placed on heart ...
Brevibloc*?(Esmolol HCl)
... --- blood pressure (peak effect in 2 min) --- cardiac index --- rate pressure product (RPP) --- left and right ventricular ejection fraction ...
... --- blood pressure (peak effect in 2 min) --- cardiac index --- rate pressure product (RPP) --- left and right ventricular ejection fraction ...
Bradyarrhythmias Differential diagnosis of bradyarrhythmias First
... to be conducted o Mobitz type II: constant PR interval but occasionally a P wave fails to be conducted; this can occur in a regular (e.g. 2:1 or 3:1) or irregular fashion Third degree (complete) heart block o No P waves are conducted to the ventricles; the atria and ventricles are electrically disco ...
... to be conducted o Mobitz type II: constant PR interval but occasionally a P wave fails to be conducted; this can occur in a regular (e.g. 2:1 or 3:1) or irregular fashion Third degree (complete) heart block o No P waves are conducted to the ventricles; the atria and ventricles are electrically disco ...
Emergency-Bradyarrhythmias
... to be conducted o Mobitz type II: constant PR interval but occasionally a P wave fails to be conducted; this can occur in a regular (e.g. 2:1 or 3:1) or irregular fashion Third degree (complete) heart block o No P waves are conducted to the ventricles; the atria and ventricles are electrically disco ...
... to be conducted o Mobitz type II: constant PR interval but occasionally a P wave fails to be conducted; this can occur in a regular (e.g. 2:1 or 3:1) or irregular fashion Third degree (complete) heart block o No P waves are conducted to the ventricles; the atria and ventricles are electrically disco ...
Cardiovascular System Lesson 2 Live Show
... supplying working muscles • Vasoconstriction of arteries/arterioles supplying nonessential organs • Closing/vasoconstriction of precapillary sphincters supplying non essential organs ...
... supplying working muscles • Vasoconstriction of arteries/arterioles supplying nonessential organs • Closing/vasoconstriction of precapillary sphincters supplying non essential organs ...
H.5 - HL transport-system
... • H.5.3 Outline the mechanisms that control the heartbeat, including the roles of the SA (sinoatrial) node, AV (atrioventricular) node and conducting fibres in the ventricular walls ...
... • H.5.3 Outline the mechanisms that control the heartbeat, including the roles of the SA (sinoatrial) node, AV (atrioventricular) node and conducting fibres in the ventricular walls ...
depolarization waves.
... In total sinoatrial block (Third Degree), the ventricles may continue to beat in a new rhythm, called a "nodal, or ideoventricular, rhythm," according to whether the initiation of the impulse is taken up by the sinoatrial node itself or an ectopic focus in the ventricular muscle becomes the pacemake ...
... In total sinoatrial block (Third Degree), the ventricles may continue to beat in a new rhythm, called a "nodal, or ideoventricular, rhythm," according to whether the initiation of the impulse is taken up by the sinoatrial node itself or an ectopic focus in the ventricular muscle becomes the pacemake ...
AFA The Heart Pulse ECG booklet
... of the body. If the heart goes too slowly (Bradycardia) then the output of blood can be insufficient to supply the body’s needs. Bradycardia can make someone feel light-headed or tired. If the heart goes too rapidly and there is not enough time for the bottom chambers to fill up properly, then, once a ...
... of the body. If the heart goes too slowly (Bradycardia) then the output of blood can be insufficient to supply the body’s needs. Bradycardia can make someone feel light-headed or tired. If the heart goes too rapidly and there is not enough time for the bottom chambers to fill up properly, then, once a ...
CRT in Patients with Permanent AF vs. Sinus Rhythm: Symptomatic
... • CIHR funding for 5 years • Primary hypothesis: • Catheter ablation-based atrial fibrillation rhythm control as compared with rate control in patients with heart failure of either impaired LV function (LVEF ≤ 45%) or preserved LV function (LVEF > 45%) will reduce all cause mortality or heart failur ...
... • CIHR funding for 5 years • Primary hypothesis: • Catheter ablation-based atrial fibrillation rhythm control as compared with rate control in patients with heart failure of either impaired LV function (LVEF ≤ 45%) or preserved LV function (LVEF > 45%) will reduce all cause mortality or heart failur ...
Chapter 5: Age-Related Changes of the Cardiovascular System
... The veins also lose elasticity. Due to reduced activity in older adults, the pumping action usually caused by muscle motion of the calf muscles is lessened. The veins dilate causing pooling of blood in dependent areas, such as the lower legs and feet, leading to edema. ...
... The veins also lose elasticity. Due to reduced activity in older adults, the pumping action usually caused by muscle motion of the calf muscles is lessened. The veins dilate causing pooling of blood in dependent areas, such as the lower legs and feet, leading to edema. ...
The Pacemaker Formal Methods Challenge
... Electrical stimulus in the right atrium heart’s chambers contract & pump blood the ventricles do the same ...
... Electrical stimulus in the right atrium heart’s chambers contract & pump blood the ventricles do the same ...
Physiology Lec.(1) Dr.Rafah Sami
... This a-v nodal delay is to ensure the completion of arterial systole before the onset of ventricular contraction. ...
... This a-v nodal delay is to ensure the completion of arterial systole before the onset of ventricular contraction. ...
Ventricular Ectopy - 167theclinic.co.nz
... which should be corrected. They can also be associated with ischemia, or local reduction in blood supply to the heart. Sometimes they occur in hearts with valve disease, or hearts with weak musculature. In addition, ectopic beats may be caused or made worse by excessive smoking, alcohol consumption, ...
... which should be corrected. They can also be associated with ischemia, or local reduction in blood supply to the heart. Sometimes they occur in hearts with valve disease, or hearts with weak musculature. In addition, ectopic beats may be caused or made worse by excessive smoking, alcohol consumption, ...
C-1 Advanced Heart Failure
... Primary PCI for STEMI in Nonagenarians This study reports that primary PCI can be safely and successfully performed in nonagenarians (> 90 years old) presenting with STEMI through a transradial approach. Similar to younger patients, this invasive strategy is associated with a high rate of achieved ...
... Primary PCI for STEMI in Nonagenarians This study reports that primary PCI can be safely and successfully performed in nonagenarians (> 90 years old) presenting with STEMI through a transradial approach. Similar to younger patients, this invasive strategy is associated with a high rate of achieved ...
Lab 6: Cardiac EKG lab
... potentials is delayed briefly to allow ventricular filling (of ventricular diastole). From the AV node the action potentials spread down the interventricular septum through the Bundle of His, before finally radiating through left and right ventricle walls via the Purkinje fibers, whereupon both left ...
... potentials is delayed briefly to allow ventricular filling (of ventricular diastole). From the AV node the action potentials spread down the interventricular septum through the Bundle of His, before finally radiating through left and right ventricle walls via the Purkinje fibers, whereupon both left ...
A fainting child provides new insights into a disease of the heart
... "The heart is very sensitive to how its sodium channels work, and we suspect that aging may have subtle effects on sodium channels, not unlike the effects we see in this unusual family. We don't know that yet, but at least we have some insight now into how sodium channel defects can produce isolated ...
... "The heart is very sensitive to how its sodium channels work, and we suspect that aging may have subtle effects on sodium channels, not unlike the effects we see in this unusual family. We don't know that yet, but at least we have some insight now into how sodium channel defects can produce isolated ...
NOUVEAUTES en STIMULATION CARDIAQUE
... Without the use of this equipment, lack of oxygen causes slow heartbeat, and even temporary discontinuation sometimes. ...
... Without the use of this equipment, lack of oxygen causes slow heartbeat, and even temporary discontinuation sometimes. ...
AAFP Board Review: Managing Dysrhythmias
... clinical importance lies in the fact that the usual anti-arrhythmic drugs are not only useless but contraindicated, because they can make matters worse. Ventricular flutter is the term used by some authorities to describe a rapid ventricular tachycardia producing a regular zigzag on EKG, without cle ...
... clinical importance lies in the fact that the usual anti-arrhythmic drugs are not only useless but contraindicated, because they can make matters worse. Ventricular flutter is the term used by some authorities to describe a rapid ventricular tachycardia producing a regular zigzag on EKG, without cle ...
Introduction to the research project
... heart attack). – Stroke (arteries to brain blocked or burst). – Congestive heart failure (weakened pumping). – High blood pressure → all of the above. – Arrhythmias (disorders of regular rhythmic beating). ...
... heart attack). – Stroke (arteries to brain blocked or burst). – Congestive heart failure (weakened pumping). – High blood pressure → all of the above. – Arrhythmias (disorders of regular rhythmic beating). ...