Module 1 : Basic ECG Interpretation Module 1 Office 97
... S wave is the negative deflection following and R wave It represents the late depolarization of the last bit of ventricular muscle. ...
... S wave is the negative deflection following and R wave It represents the late depolarization of the last bit of ventricular muscle. ...
Impairment of cardiac insulin signaling and myocardial contractile
... Heart disease is a leading cause of death in diabetic patients (43); with coronary artery disease (CAD) and atherosclerosis being the primary reasons for increased incidence of cardiovascular dysfunction (43, 38). However, a predisposition to heart failure might also reflect the effects of underlyin ...
... Heart disease is a leading cause of death in diabetic patients (43); with coronary artery disease (CAD) and atherosclerosis being the primary reasons for increased incidence of cardiovascular dysfunction (43, 38). However, a predisposition to heart failure might also reflect the effects of underlyin ...
Natriuretic Peptides in the Regulation of Cardiovascular Physiology
... (BNP), and C-type natriuretic peptide (CNP) are the known members of the mammalian natriuretic peptide system. The discovery of natriuretic peptides (NPs) dates back to 1981, when de Bold et al. found that administration of atrial extracts into intact rats causes diuresis and natriuresis.1 In 1983–1 ...
... (BNP), and C-type natriuretic peptide (CNP) are the known members of the mammalian natriuretic peptide system. The discovery of natriuretic peptides (NPs) dates back to 1981, when de Bold et al. found that administration of atrial extracts into intact rats causes diuresis and natriuresis.1 In 1983–1 ...
Cardiac MR Image Segmentation Techniques: an overview
... segmentation is to delineate the outer and inner walls of the heart to segment out either the entire or parts of the organ boundaries. This paper will focus on MR images as they are the most widely used in cardiac segmentation – as a result of the accurate morphological information and better soft t ...
... segmentation is to delineate the outer and inner walls of the heart to segment out either the entire or parts of the organ boundaries. This paper will focus on MR images as they are the most widely used in cardiac segmentation – as a result of the accurate morphological information and better soft t ...
A Study of Early Afterdepolarizations in a Model for Human
... initiation of cardiac arrhythmias is of great importance for practical cardiology. Unfortunately, we do not know yet the exact mechanisms by which such arrhythmias occur in the human heart, however, several factors have been shown to be correlated with increases in the incidence of arrhythmias. One ...
... initiation of cardiac arrhythmias is of great importance for practical cardiology. Unfortunately, we do not know yet the exact mechanisms by which such arrhythmias occur in the human heart, however, several factors have been shown to be correlated with increases in the incidence of arrhythmias. One ...
effect of yoga type breathing on heart rate and cardiac axis of normal
... In an earlier report, Angelone and Coulter (2) have demonstrated an inverse relationship between HR and held lung volume. Furthermore, Song et al. {18} have shown that during breath holding, HR is less at higher lung volumes and more negative intra-esophageal pressures. However, we did not observe a ...
... In an earlier report, Angelone and Coulter (2) have demonstrated an inverse relationship between HR and held lung volume. Furthermore, Song et al. {18} have shown that during breath holding, HR is less at higher lung volumes and more negative intra-esophageal pressures. However, we did not observe a ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... underwent LAD ligation; 4) Oxytocin pre-treated group (OT then MI): Rats pre-treated with OT (3.6 μg/100 g body weight/day, subcutaneous) for seven consecutive days on daily basis and then underwent LAD ligation; 5) Oxytocin and L-NAME pre-treated group: (OT+L-NAME then MI): received concomitant dos ...
... underwent LAD ligation; 4) Oxytocin pre-treated group (OT then MI): Rats pre-treated with OT (3.6 μg/100 g body weight/day, subcutaneous) for seven consecutive days on daily basis and then underwent LAD ligation; 5) Oxytocin and L-NAME pre-treated group: (OT+L-NAME then MI): received concomitant dos ...
protocols - computers, cardiology and primary care
... Insulin depnd diabetes mellitus (C108) Ischaemic heart disease (G3) ...
... Insulin depnd diabetes mellitus (C108) Ischaemic heart disease (G3) ...
ACE inhibition prevents diastolic Ca2+ ... Ca2+ sensitivity after myocardial infarction
... cavity volumes (end systolic and diastolic) than Sham animals. Delapril treatment had no effect on LVSP, confirming that the dose of delapril used did not reduce blood pressure (Table 1 ). However, it attenuated the effect of MI on LV cavity volume with a remarkable benefit in terms of diastolic pre ...
... cavity volumes (end systolic and diastolic) than Sham animals. Delapril treatment had no effect on LVSP, confirming that the dose of delapril used did not reduce blood pressure (Table 1 ). However, it attenuated the effect of MI on LV cavity volume with a remarkable benefit in terms of diastolic pre ...
Fishing for the genetic basis of cardiovascular disease
... Cardiovascular disease (CVD) has recently overtaken infectious disease to become the biggest global killer. Genetic factors have emerged as being of major importance in the pathogenesis of CVD. Owing to disease heterogeneity, variable penetrance and high mortality, human genetic studies alone are no ...
... Cardiovascular disease (CVD) has recently overtaken infectious disease to become the biggest global killer. Genetic factors have emerged as being of major importance in the pathogenesis of CVD. Owing to disease heterogeneity, variable penetrance and high mortality, human genetic studies alone are no ...
2D, 3D, 4D ultrasound in Obstetrics: Best evidence
... measurements in normal fetuses.8 Other studies have found that 3D lung volume measurements have a better prognostic accuracy for pulmonary hypoplasia than 2D biometric measurements in cases of PPROM, intra-uterine growth restriction and renal and skeletal abnormalities.9,10 3D/4D fetal echocardiogra ...
... measurements in normal fetuses.8 Other studies have found that 3D lung volume measurements have a better prognostic accuracy for pulmonary hypoplasia than 2D biometric measurements in cases of PPROM, intra-uterine growth restriction and renal and skeletal abnormalities.9,10 3D/4D fetal echocardiogra ...
Difference In The Localisation Of Coronary Artery Disease
... With regards to complications, haemodynamic events including cardiogenic shock, ventricular septal rupture and free wall rupture are more common in cases of left ventricular infarctions, while electrical complications as bradycardia and heart block are more frequent in cases of inferoposterior infar ...
... With regards to complications, haemodynamic events including cardiogenic shock, ventricular septal rupture and free wall rupture are more common in cases of left ventricular infarctions, while electrical complications as bradycardia and heart block are more frequent in cases of inferoposterior infar ...
Industrially Applicable Inventions (PDF:440KB)
... “Any person who has made an invention which is industrially applicable may obtain a patent therefor ...” It has been long established in theory and practice to consider that the above provision requires an invention to be “statutory" as well as "industrially applicable." These Guidelines, in accorda ...
... “Any person who has made an invention which is industrially applicable may obtain a patent therefor ...” It has been long established in theory and practice to consider that the above provision requires an invention to be “statutory" as well as "industrially applicable." These Guidelines, in accorda ...
Nonsurgical closure of secundum atrial septal defect and patent
... increase of the right atrial pressure such as in chronic obstructive lung disease and after pulmonary embolism. The shunt volume depends on PFO size, duration of atrial systole and the pressure difference between the two atria. Left-to-right shunting is usually prevented by complete closure of the P ...
... increase of the right atrial pressure such as in chronic obstructive lung disease and after pulmonary embolism. The shunt volume depends on PFO size, duration of atrial systole and the pressure difference between the two atria. Left-to-right shunting is usually prevented by complete closure of the P ...
The Cardiorespiratory System
... • Place index and middle fingers around the backside of the wrist (about 1 inch from the top of wrist, on the thumb side). • Locate the artery by feeling for a pulse with the index and middle fingers; apply light pressure to feel the pulse. • When measuring the pulse during rest, count the number of ...
... • Place index and middle fingers around the backside of the wrist (about 1 inch from the top of wrist, on the thumb side). • Locate the artery by feeling for a pulse with the index and middle fingers; apply light pressure to feel the pulse. • When measuring the pulse during rest, count the number of ...
Palpitation
... Ventricular tachycardia originating from the right ventricular outflow tract. This tachycardia is characterized by a left bundle branch block contour in lead V1 and an inferior axis. ...
... Ventricular tachycardia originating from the right ventricular outflow tract. This tachycardia is characterized by a left bundle branch block contour in lead V1 and an inferior axis. ...
Independent effects of preload, afterload, and contractility on left
... Protocol 1: load alteration. With this experimental preparation, the computer simulation of load may be altered, causing secondary changes in EDV and ESV. In eight hearts, the loading conditions were changed under a constant inotropic status (Fig. 1). We first changed the preload (preload down and p ...
... Protocol 1: load alteration. With this experimental preparation, the computer simulation of load may be altered, causing secondary changes in EDV and ESV. In eight hearts, the loading conditions were changed under a constant inotropic status (Fig. 1). We first changed the preload (preload down and p ...
clinical evaluation and laboratory testing
... The relatively small minK gene, mutations in which cause LQT5, is 40 kb in length. The encoded KCNE1 protein contains a single transmembrane spanning domain with small intra- and extracellular components. The product of the minK gene forms the beta subunit of the LQT1 assembly regulating the IKs pot ...
... The relatively small minK gene, mutations in which cause LQT5, is 40 kb in length. The encoded KCNE1 protein contains a single transmembrane spanning domain with small intra- and extracellular components. The product of the minK gene forms the beta subunit of the LQT1 assembly regulating the IKs pot ...
Coronary CT Subtraction - Toshiba Medical Systems Europe
... Computed tomography angiography (CTA) of the coronary arteries is a useful noninvasive tool to rule out significant coronary artery disease (CAD) in many clinical situations. Recent guidelines of stable CAD1 and non-ST segment elevation myocardial infarction2 endorse the use of CTA in symptomatic pa ...
... Computed tomography angiography (CTA) of the coronary arteries is a useful noninvasive tool to rule out significant coronary artery disease (CAD) in many clinical situations. Recent guidelines of stable CAD1 and non-ST segment elevation myocardial infarction2 endorse the use of CTA in symptomatic pa ...
Apical hypertrophic cardiomyopathy associated with multiple
... signals perpendicular to the epicardium draining in the left ventricular (LV) chamber. Close inspection of the colour signal in association with pulse-wave Doppler revealed a diastolic flow pattern arising from the left anterior descending (LAD) coronary artery, suggestive of multiple coronary arter ...
... signals perpendicular to the epicardium draining in the left ventricular (LV) chamber. Close inspection of the colour signal in association with pulse-wave Doppler revealed a diastolic flow pattern arising from the left anterior descending (LAD) coronary artery, suggestive of multiple coronary arter ...
Left Ventricular Hypertrophy in Obese Hypertensives: Is It Really
... was considered as an additional clue for the presence of left ventricular diastolic dysfunction, useful in dubious cases. Similar meaning was ascribed to the very slow increase in M-mode left ventricular dimension in early diastole, together with its marked increase after atrial contraction in late ...
... was considered as an additional clue for the presence of left ventricular diastolic dysfunction, useful in dubious cases. Similar meaning was ascribed to the very slow increase in M-mode left ventricular dimension in early diastole, together with its marked increase after atrial contraction in late ...
Primary vagally mediated decelerations in heart rate during tonic
... previously observed baroreceptor-mediated decelerations, which occur mainly during transition from SWS to desynchronized sleep and more frequently during phasic REM than any other stage of REM sleep (7). It is surprising that this phenomenon of a primary deceleration has not been previously describe ...
... previously observed baroreceptor-mediated decelerations, which occur mainly during transition from SWS to desynchronized sleep and more frequently during phasic REM than any other stage of REM sleep (7). It is surprising that this phenomenon of a primary deceleration has not been previously describe ...
Heart Sounds
... If the signal on the ECG channel is upside down when compared to trace, click on the downward arrow to the left of the channel title and select the Invert function. The trace should now look similar to the one in the figure ...
... If the signal on the ECG channel is upside down when compared to trace, click on the downward arrow to the left of the channel title and select the Invert function. The trace should now look similar to the one in the figure ...
Cardiac Auscultation
... • High Frequency Sound Found in Mitral Valve Prolapse • Occurs Earlier with Valsalva Maneuver or Squatting to Standing ...
... • High Frequency Sound Found in Mitral Valve Prolapse • Occurs Earlier with Valsalva Maneuver or Squatting to Standing ...
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... the heart to the lungs become narrow, making it dif9icult for blood to 9low through the vessels. As a result the pressure in these arteries rise far above normal levels which strains the ri ...
... the heart to the lungs become narrow, making it dif9icult for blood to 9low through the vessels. As a result the pressure in these arteries rise far above normal levels which strains the ri ...