Neonatology
... –Pulses weak after oxygenation –Response to resuscitation poor –History of hemorrhage from maternal/fetal unit •10cc/kg LR or NS over 5 - 10 minutes ...
... –Pulses weak after oxygenation –Response to resuscitation poor –History of hemorrhage from maternal/fetal unit •10cc/kg LR or NS over 5 - 10 minutes ...
Alterations in Cardiovascular Function
... • due to abnormally small pulmonary vessels • which restrict flow of blood, so the heart hypertrophies to work harder to provide the blood flow to organs. • however, CO increases initially but eventually hypertrophied muscle becomes ineffective. • initially R sided failure, progressing to L sided an ...
... • due to abnormally small pulmonary vessels • which restrict flow of blood, so the heart hypertrophies to work harder to provide the blood flow to organs. • however, CO increases initially but eventually hypertrophied muscle becomes ineffective. • initially R sided failure, progressing to L sided an ...
Cardiac Cycle
... frequency of heart beat. Each cardiac cycle of contraction is followed by relaxation which is initiated when calcium ions are pumped by Ca-ATPase back into the sarcoplasmic reticulum (SR) or extruded by the cell membrane Na/Ca exchanger into the ECF. This lowering of the cytosolic calcium precedes c ...
... frequency of heart beat. Each cardiac cycle of contraction is followed by relaxation which is initiated when calcium ions are pumped by Ca-ATPase back into the sarcoplasmic reticulum (SR) or extruded by the cell membrane Na/Ca exchanger into the ECF. This lowering of the cytosolic calcium precedes c ...
Pericardial effusion and cardiac neoplasia in dogs
... of pericardial fluid, the pericardium may stretch over time to accommodate the fluid. Eventually, clinical signs will occur, but this phenomenon can lead to relatively large volumes of fluid being present. In our clinic, the current record volume is from a German Shepherd Dog, where we obtained appr ...
... of pericardial fluid, the pericardium may stretch over time to accommodate the fluid. Eventually, clinical signs will occur, but this phenomenon can lead to relatively large volumes of fluid being present. In our clinic, the current record volume is from a German Shepherd Dog, where we obtained appr ...
Mammalian Physiological Overview of the Heart
... Excitation of the heart Automaticity -ability to initiate its own beat Rhythmicity -regularity of pacemaking activity Sinoatrial node – greatest frequency Thus it is the primary pacemaker (atrial pacemaker complex) -8X2 mm -small round cells* and slender elongated cells Cells of the AV junction can ...
... Excitation of the heart Automaticity -ability to initiate its own beat Rhythmicity -regularity of pacemaking activity Sinoatrial node – greatest frequency Thus it is the primary pacemaker (atrial pacemaker complex) -8X2 mm -small round cells* and slender elongated cells Cells of the AV junction can ...
Modulation of the Ectopic Focus Introduces Various Forms
... Case 1: Weak modulation: VP with various CIs. VP has been known to be associated with larger CV of VPC CI6. We previously reported its unique nature by simple plotting techniques1,2. However, as far as we know, VP patients treated by catheter ablation are quite few. Furthermore, varition on the ...
... Case 1: Weak modulation: VP with various CIs. VP has been known to be associated with larger CV of VPC CI6. We previously reported its unique nature by simple plotting techniques1,2. However, as far as we know, VP patients treated by catheter ablation are quite few. Furthermore, varition on the ...
ECG Accurate Pulse® Strapless Heart Rate Monitor Sportswatches
... how your fitness level is progressing over time you should measure and track your resting heart rate on a weekly basis. Do this before starting any physical activity so that you can become familiar with your own resting heart rate. For many, the resting Heart Rate will decline as they become fitter. ...
... how your fitness level is progressing over time you should measure and track your resting heart rate on a weekly basis. Do this before starting any physical activity so that you can become familiar with your own resting heart rate. For many, the resting Heart Rate will decline as they become fitter. ...
Heart Rate monitor
... phases of respiration. Irregular changes in heart rate occur in all people. Heart rate may be increased by exercise, nervous excitement, stress due to mental effort, by adrenaline entering the bloodstream or with increase in temperature caused by fever. The heart rate decreases when asleep and some ...
... phases of respiration. Irregular changes in heart rate occur in all people. Heart rate may be increased by exercise, nervous excitement, stress due to mental effort, by adrenaline entering the bloodstream or with increase in temperature caused by fever. The heart rate decreases when asleep and some ...
Body System1 Cardiovascular System
... Though pressure is higher in the lower “tube,” the flow rates in the pair of tubes is identical because they both have the same pressure difference (90 mm Hg) between points P1 and P2. ...
... Though pressure is higher in the lower “tube,” the flow rates in the pair of tubes is identical because they both have the same pressure difference (90 mm Hg) between points P1 and P2. ...
Modern Management of Heart Failure
... • Huge health costs $27 billion pa in US • Primarily a disease of the elderly • Incidence of 10/100 in those over 65yrs ...
... • Huge health costs $27 billion pa in US • Primarily a disease of the elderly • Incidence of 10/100 in those over 65yrs ...
General Pediatric Board Review Pediatric Cardiology
... Genetic often family hx sudden death Arrhythmia torsades de pointes (type of VT) Be suspicious if: Family hx SCD Hx seizure d/o Congenital deafness Syncope following loud noises, being startled ...
... Genetic often family hx sudden death Arrhythmia torsades de pointes (type of VT) Be suspicious if: Family hx SCD Hx seizure d/o Congenital deafness Syncope following loud noises, being startled ...
Periodicities of cardiac mechanics
... of the contracting myocardium, such as the calcium flux (2, 3), whereasothers have suggestedthat oscillations of the venous return or the afterload are responsible for these mechanical periodicities (5,6,12,14,17,26). Because the mechanical action of the heart can be describedby its pressure-volumer ...
... of the contracting myocardium, such as the calcium flux (2, 3), whereasothers have suggestedthat oscillations of the venous return or the afterload are responsible for these mechanical periodicities (5,6,12,14,17,26). Because the mechanical action of the heart can be describedby its pressure-volumer ...
Isolated Perfused Heart Models in Rats and Mice
... The Langendorff isolated heart method was modified later by Neely et al to produce a model that would allow the study of the isolated heart under normal circulatory dynamics. In the working heart model, a second cannula is inserted into the pulmonary vein to perfuse the heart via the left atrium. Th ...
... The Langendorff isolated heart method was modified later by Neely et al to produce a model that would allow the study of the isolated heart under normal circulatory dynamics. In the working heart model, a second cannula is inserted into the pulmonary vein to perfuse the heart via the left atrium. Th ...
T400-Series Surgical Protocol
... Additional parameters that can be measured in the isolated beating heart include: • Left Ventricular Pressure via a balloon inside the ventricle equipped with a pressure transducer. • Contractile Force via a force transducer attached to the apex of the heart. • Electrical Activity is monitored vi ...
... Additional parameters that can be measured in the isolated beating heart include: • Left Ventricular Pressure via a balloon inside the ventricle equipped with a pressure transducer. • Contractile Force via a force transducer attached to the apex of the heart. • Electrical Activity is monitored vi ...
Heart-Sound Monitoring Using a Smartphone
... Abstract— Heart diseases associated with living conditions, such as coronary heart disease and hypertension are becoming more and more complex. If heart condition didn't get long-term and real-time monitoring and diagnosis, it may induce sudden heart disease. As the heart auscultation is one of the ...
... Abstract— Heart diseases associated with living conditions, such as coronary heart disease and hypertension are becoming more and more complex. If heart condition didn't get long-term and real-time monitoring and diagnosis, it may induce sudden heart disease. As the heart auscultation is one of the ...
Voluntary exercise and testosterone therapy caused increase in
... the knowledge of Myh6 percentage as an important factor in the determination of cardiac output (Korte et al., 2005); on the contrary, it had tendency to improve. Major cardiac myosin heavy chains are known to be expressed approximately uniformly in both heart ventricles with greater than 95% in rats ...
... the knowledge of Myh6 percentage as an important factor in the determination of cardiac output (Korte et al., 2005); on the contrary, it had tendency to improve. Major cardiac myosin heavy chains are known to be expressed approximately uniformly in both heart ventricles with greater than 95% in rats ...
Between Scylla and Charybdis: a choice between
... for electrophysiology (from a technical point of view) is not necessary to complete this task, but in some patients unexpected events may occur. After ablation, pacemaker dependency is the rule requiring implantation of a VVIR system and orderly atrial electrical activity is no longer thought to be ...
... for electrophysiology (from a technical point of view) is not necessary to complete this task, but in some patients unexpected events may occur. After ablation, pacemaker dependency is the rule requiring implantation of a VVIR system and orderly atrial electrical activity is no longer thought to be ...
CARDAIC OUTPUT AND ITS REGULATION
... • Quantity of blood flowing from the veins into the right atrium per minute • In steady state, the heart pumps blood at the same rate at which blood ...
... • Quantity of blood flowing from the veins into the right atrium per minute • In steady state, the heart pumps blood at the same rate at which blood ...
Full Text - Res Cardiovasc Med
... an established therapy for patients with systolic heart failure (HF), low ejection fraction (EF) and prolonged QRS duration and who had received optimal drug treatment (1, 2). CRT improves left ventricular function, clinical status, quality of life and reduces hospitalization and mortality (3). Atri ...
... an established therapy for patients with systolic heart failure (HF), low ejection fraction (EF) and prolonged QRS duration and who had received optimal drug treatment (1, 2). CRT improves left ventricular function, clinical status, quality of life and reduces hospitalization and mortality (3). Atri ...
Module I E.C.G. RHYTHM INTERPRETATION
... (right and left) is significantly slower that the movement through the ventricles. The larger mass of the ventricle requires the rapid flow of the electrical impulses resulting in the complete depolarization and contraction of the entire ventricle at almost the same time. This action results in the ...
... (right and left) is significantly slower that the movement through the ventricles. The larger mass of the ventricle requires the rapid flow of the electrical impulses resulting in the complete depolarization and contraction of the entire ventricle at almost the same time. This action results in the ...
INITIAL ACTIVATION: SINOATRIAL NODE (SA NODE) SVC
... P cells are the cells that create the rhythmical impulses, also are pacemaker cells, and they directly control the heart rate. These cells are modified cardiomyocyte. They possess rudimentary contractile filaments, but contract relatively weakly. Cells in the SA node spontaneously depolarize resulti ...
... P cells are the cells that create the rhythmical impulses, also are pacemaker cells, and they directly control the heart rate. These cells are modified cardiomyocyte. They possess rudimentary contractile filaments, but contract relatively weakly. Cells in the SA node spontaneously depolarize resulti ...
Ch18B
... ___________________ of Ca2+ channels and _________________ of voltage-gated K+ channels. (Slide 10) The _____________________________________________ is a network of _____________________________ (and non- contractile) cells that initiate and distribute impulses to coordinate the ___________________ ...
... ___________________ of Ca2+ channels and _________________ of voltage-gated K+ channels. (Slide 10) The _____________________________________________ is a network of _____________________________ (and non- contractile) cells that initiate and distribute impulses to coordinate the ___________________ ...
The Circulatory System: Heart
... – Hallmark of heart attack (MI) – Kills quickly if not stopped • Defibrillation—strong electrical shock with intent to depolarize entire myocardium and reset heart to sinus rhythm – Not a cure for artery disease, but may allow time for other corrective action ...
... – Hallmark of heart attack (MI) – Kills quickly if not stopped • Defibrillation—strong electrical shock with intent to depolarize entire myocardium and reset heart to sinus rhythm – Not a cure for artery disease, but may allow time for other corrective action ...
Ch_20_The_Heart
... • Pulmonary trunk divides into left and right pulmonary arteries • Blood flows from right ventricle to pulmonary trunk through pulmonary ...
... • Pulmonary trunk divides into left and right pulmonary arteries • Blood flows from right ventricle to pulmonary trunk through pulmonary ...
Case Study - Zephyr™ Performance Systems
... miner should descend by their own means if the capsule was jammed on the way up the tunnel. PHASE TWO The second phase built upon the progress made in the first two weeks. In this dangerous and complicated phase, the miners were pushed to train in the anaerobic-threshold range so as to retard the on ...
... miner should descend by their own means if the capsule was jammed on the way up the tunnel. PHASE TWO The second phase built upon the progress made in the first two weeks. In this dangerous and complicated phase, the miners were pushed to train in the anaerobic-threshold range so as to retard the on ...