Images and Case Reports in Arrhythmia and Electrophysiology
... for exercise stress testing with myocardial single-photon emission computed tomography perfusion imaging. The patient had a history of hypertension and hypothyroidism but no other history of coronary disease or risk factors. The patient’s baseline ECG is shown in Figure 1, interpreted as incomplete ...
... for exercise stress testing with myocardial single-photon emission computed tomography perfusion imaging. The patient had a history of hypertension and hypothyroidism but no other history of coronary disease or risk factors. The patient’s baseline ECG is shown in Figure 1, interpreted as incomplete ...
Electrocardiography Heart Anatomy
... o QRS is “dropped” - not conducted even though P wave is present and normal o All is normal before and after event o No lengthening P-R (no warning) o Sign of more serious conduction problems ...
... o QRS is “dropped” - not conducted even though P wave is present and normal o All is normal before and after event o No lengthening P-R (no warning) o Sign of more serious conduction problems ...
Full Text
... during VT by 70 ms. This may support the former explanation. AVNRT also triggered VT shortly after its origin, so that ECG tracings at symptomatic episodes showed only VT. Experience with radiofrequency catheter ablation of idiopathic VT in pediatric patients is limited, but radiofrequency catheter ...
... during VT by 70 ms. This may support the former explanation. AVNRT also triggered VT shortly after its origin, so that ECG tracings at symptomatic episodes showed only VT. Experience with radiofrequency catheter ablation of idiopathic VT in pediatric patients is limited, but radiofrequency catheter ...
Palpitation
... can also be caused by an overactive thyroid, having too much alcohol, acute lung infections such as pneumonia, and heart and lung surgery. If you have atrial fibrillation but no underlying cause is found, it is usually called ‘lone atrial fibrillation’. There are various ways of treating atrial fibr ...
... can also be caused by an overactive thyroid, having too much alcohol, acute lung infections such as pneumonia, and heart and lung surgery. If you have atrial fibrillation but no underlying cause is found, it is usually called ‘lone atrial fibrillation’. There are various ways of treating atrial fibr ...
Circulatory System
... between the right side of the heart, to the lungs, and back to the left side of the heart. ...
... between the right side of the heart, to the lungs, and back to the left side of the heart. ...
" What"Evidence"Exists?"
... “Since"auricular"fibrilla/on"so"oAen"complicates" very"serious"heart"disease,"its"occurrence"may" precipitate"heart"failure"or"even"death,"unless" successful"therapy"is"quickly"ins/tuted.”" Paul"Dudley"White,"1937" ...
... “Since"auricular"fibrilla/on"so"oAen"complicates" very"serious"heart"disease,"its"occurrence"may" precipitate"heart"failure"or"even"death,"unless" successful"therapy"is"quickly"ins/tuted.”" Paul"Dudley"White,"1937" ...
Malignant neurilemmoma of left atrium
... heart has been reported before,1-5 but its occurrence in the left atrium is extremely rare. In this case the primary retroperitoneal tumour arose in the sacral plexus and metastasised to the left atrium after passing through the pulmonary circulation, both the cardiac and the sacral tumours showing ...
... heart has been reported before,1-5 but its occurrence in the left atrium is extremely rare. In this case the primary retroperitoneal tumour arose in the sacral plexus and metastasised to the left atrium after passing through the pulmonary circulation, both the cardiac and the sacral tumours showing ...
Heart Functions: the MEA and the Frank Starling Law of the heart 2/14
... Heart Functions: the ECG and the MEA Feb 10 • How does one calculate heart rate, RR interval, PR interval and ST interval from an ECG? • How do these values change pathologically? • What leads are used to evaluate the heart during intensive care? • What does the MEA tell us about heart function? • W ...
... Heart Functions: the ECG and the MEA Feb 10 • How does one calculate heart rate, RR interval, PR interval and ST interval from an ECG? • How do these values change pathologically? • What leads are used to evaluate the heart during intensive care? • What does the MEA tell us about heart function? • W ...
Document
... In addition to training and age, the type of racehorse examined will influence size of LV. Generally, heart size of Thoroughbreds is larger compared to Standardbreds.6,7 Within Thoroughbreds, heart size generally is smaller in the flat-racing horses compared to hurdle and steeplechase horses, which ha ...
... In addition to training and age, the type of racehorse examined will influence size of LV. Generally, heart size of Thoroughbreds is larger compared to Standardbreds.6,7 Within Thoroughbreds, heart size generally is smaller in the flat-racing horses compared to hurdle and steeplechase horses, which ha ...
Family history of heart attack.
... Obesity. Obesity raises the risk of heart disease because it's associated with high blood cholesterol levels, high blood pressure and diabetes. Losing just 10 percent of your body weight can lower this risk, however. ...
... Obesity. Obesity raises the risk of heart disease because it's associated with high blood cholesterol levels, high blood pressure and diabetes. Losing just 10 percent of your body weight can lower this risk, however. ...
Evaluation of the Cardiovascular System in Childhood: Heart
... with minor or moderate cardiac abnormalities will have few if any medical issues/cardiac disability after the 3 month recovery period. • Successfully palliated, the vast majority of patient with moderate or complex CHD will continue to require close medical surveillance and likely have cardiac sympt ...
... with minor or moderate cardiac abnormalities will have few if any medical issues/cardiac disability after the 3 month recovery period. • Successfully palliated, the vast majority of patient with moderate or complex CHD will continue to require close medical surveillance and likely have cardiac sympt ...
Hypoplastic left heart syndrome | SpringerLink
... Chromosomal aberrations account for about 6% of all congenitally malformed hearts. Many genetic and hereditary diseases are associated with such congenital malformations, although the causative mechanism is unknown. Prospective studies using chromosomal analysis have suggested that some malformation ...
... Chromosomal aberrations account for about 6% of all congenitally malformed hearts. Many genetic and hereditary diseases are associated with such congenital malformations, although the causative mechanism is unknown. Prospective studies using chromosomal analysis have suggested that some malformation ...
Heart Sound Classification from Wavelet Decomposed Signal using
... test set on phase I and phase II entry. The accuracy actually mostly depended on the condition of the dataset if it is balanced or unbalanced. The specificity actually reduced during phase I entry, which potentially could be due to an unequal number of normal and abnormal data on the randomly chosen ...
... test set on phase I and phase II entry. The accuracy actually mostly depended on the condition of the dataset if it is balanced or unbalanced. The specificity actually reduced during phase I entry, which potentially could be due to an unequal number of normal and abnormal data on the randomly chosen ...
Apical Pericardial Adhesion Resembling The Reptilian
... the phrenic (dorsal) surface. Thickness of the band was fairly uniform and measured 4 mm. near its cardiac end. The direction of the strands from heart to pericardium was nearly parallel to the surface of the mediastinal sac. Consequently, the costal surface of the band blended with the pericardium ...
... the phrenic (dorsal) surface. Thickness of the band was fairly uniform and measured 4 mm. near its cardiac end. The direction of the strands from heart to pericardium was nearly parallel to the surface of the mediastinal sac. Consequently, the costal surface of the band blended with the pericardium ...
Inflammatory Heart Disease
... Valvular disease occurs as two main dosorders: stenosis and regurgitation. In stenosis, the valve leaflets fuse together via vegetation or a congenital defect. This causes the valve opening to narrow an become rigid which impedes forward blood flow ultimately leading to decreased cardiac output. Som ...
... Valvular disease occurs as two main dosorders: stenosis and regurgitation. In stenosis, the valve leaflets fuse together via vegetation or a congenital defect. This causes the valve opening to narrow an become rigid which impedes forward blood flow ultimately leading to decreased cardiac output. Som ...
Surgical Treatment for Congestive Heart Failure
... • In a failing heart, the normal elliptical shape of the left ventricle is lost. • The ventricle dilates and remodels in response to its inability to pump efficiently, creating a spherical shape. • Ironically, this remodeled shape eventually turns from being compensatory and beneficial to a contribu ...
... • In a failing heart, the normal elliptical shape of the left ventricle is lost. • The ventricle dilates and remodels in response to its inability to pump efficiently, creating a spherical shape. • Ironically, this remodeled shape eventually turns from being compensatory and beneficial to a contribu ...
- Korean Circulation Journal
... Aiyagari et al.6) showed that adequate decompression of the left heart could be achieved by transseptal left atrial sheath placement incorporated into an extracorporeal membrane oxygenation venous circuit in a study of 7 cases. However, there were no adult survivors. In that study, the size of the l ...
... Aiyagari et al.6) showed that adequate decompression of the left heart could be achieved by transseptal left atrial sheath placement incorporated into an extracorporeal membrane oxygenation venous circuit in a study of 7 cases. However, there were no adult survivors. In that study, the size of the l ...
fibrillation atriale : strategie antiarythmique, cardioversion
... 26women), age 55.7 ! 9.6 years, referred to our center for a first AF ablation A total(5) of 100 patients (86 men, studies have concluded that net benefit of catheter paroxysmal; 3.5 ! 1.4 prior ineffective antiarrhythmic agents) were followed for 5 the years. Complete sucmonths (6) and an 8.7% long ...
... 26women), age 55.7 ! 9.6 years, referred to our center for a first AF ablation A total(5) of 100 patients (86 men, studies have concluded that net benefit of catheter paroxysmal; 3.5 ! 1.4 prior ineffective antiarrhythmic agents) were followed for 5 the years. Complete sucmonths (6) and an 8.7% long ...
Blood Pressure and Pulse Rate
... this happens, the pressure is raised throughout the arterial system. This arterial pressure, however, falls as the blood is pushed through the capillaries. Then a new ventricular contraction repressurizes the system. This rhythmic change in arterial pressure is called the pulse and can be felt almos ...
... this happens, the pressure is raised throughout the arterial system. This arterial pressure, however, falls as the blood is pushed through the capillaries. Then a new ventricular contraction repressurizes the system. This rhythmic change in arterial pressure is called the pulse and can be felt almos ...
Canine Heart Disease
... Cyanosis is the blue-purple discoloration of the gums and tongue that occurs when an animal in heart failure cannot get adequate oxygen Syncope or collapse results from decreases in blood pressure due to poor heart function What laboratory changes does heart disease cause? Heart disease rarely c ...
... Cyanosis is the blue-purple discoloration of the gums and tongue that occurs when an animal in heart failure cannot get adequate oxygen Syncope or collapse results from decreases in blood pressure due to poor heart function What laboratory changes does heart disease cause? Heart disease rarely c ...
Heart - Institut Teknologi Bandung
... An area other than the SA node can become the pacemaker when it develops a rate of contraction that is faster than the SA node. This site, called an ectopic pacemaker, may cause an extra beat, if it operates only occasionally, or it can even pace the heart for a while. • Caffeine and nicotine a ...
... An area other than the SA node can become the pacemaker when it develops a rate of contraction that is faster than the SA node. This site, called an ectopic pacemaker, may cause an extra beat, if it operates only occasionally, or it can even pace the heart for a while. • Caffeine and nicotine a ...
The Mid-term Results of Ventricular Containment (ACORN WRAP
... The Acorn Cardiac Support Device (ACSD) is a device designed to treat heart failure by containing the heart to prevent further dilation. Six patients with symptomatic heart failure due to ischemic cardiomyopathy were treated surgically with the ACSD. All patients simultaneously underwent coronary ar ...
... The Acorn Cardiac Support Device (ACSD) is a device designed to treat heart failure by containing the heart to prevent further dilation. Six patients with symptomatic heart failure due to ischemic cardiomyopathy were treated surgically with the ACSD. All patients simultaneously underwent coronary ar ...
Cardiac Disease in the Ferret
... the electrical pathway, not all of the electrical signals complete their journey; this impairment is termed second-degree (A-V) heart block. Veterinarians may or may not treat this condition, depending upon the severity. If none of the electrical signals get to their destination, identified as compl ...
... the electrical pathway, not all of the electrical signals complete their journey; this impairment is termed second-degree (A-V) heart block. Veterinarians may or may not treat this condition, depending upon the severity. If none of the electrical signals get to their destination, identified as compl ...
PDF - Circulation: Arrhythmia and Electrophysiology
... (AVNRT) is the most common supraventricular tachycardia; however, junctional tachycardia (JT) is rare and occurs mostly in children or during infusion of isoproterenol.1,2 Distinguishing between these arrhythmias can often be challenging during electrophysiology testing. They share many common chara ...
... (AVNRT) is the most common supraventricular tachycardia; however, junctional tachycardia (JT) is rare and occurs mostly in children or during infusion of isoproterenol.1,2 Distinguishing between these arrhythmias can often be challenging during electrophysiology testing. They share many common chara ...
What is Atrial Fibrillation - Queensland Cardiovascular Group
... an adjunct to the main surgery. Catheter Ablation – there is a range of catheter ablations that can be performed to help people with atrial fibrillation. These include: Atrial flutter ablation – some people with atrial fibrillation have a more organised form of the arrhythmia known as atrial flutter ...
... an adjunct to the main surgery. Catheter Ablation – there is a range of catheter ablations that can be performed to help people with atrial fibrillation. These include: Atrial flutter ablation – some people with atrial fibrillation have a more organised form of the arrhythmia known as atrial flutter ...