3. Cardiac Output
... in muscle length beyond this limit depresses the muscle developed tension and this is not seen in the normal heart but only 4/18/12 in heart failure ...
... in muscle length beyond this limit depresses the muscle developed tension and this is not seen in the normal heart but only 4/18/12 in heart failure ...
Pulmonary Function in Primary Pulmonary Hypertension
... limit of normal (Fig. 1, lower) and generally reduced to a greater extent than the FVC (Fig. 2, lower right). The mean DLCO was 68 ⫾ 17 %pred (p ⬍ 0.0001) with a range of 32% to 114%pred (Table 2 and Fig. 2, lower right). Methodologically, when a patient has a good inspiratory volume (at least 90% o ...
... limit of normal (Fig. 1, lower) and generally reduced to a greater extent than the FVC (Fig. 2, lower right). The mean DLCO was 68 ⫾ 17 %pred (p ⬍ 0.0001) with a range of 32% to 114%pred (Table 2 and Fig. 2, lower right). Methodologically, when a patient has a good inspiratory volume (at least 90% o ...
Looking at the second heart sound: A multi
... and theoretical problems (through many, many discussions and debates), but also have shown how to do robust research. I also would like to thank all my other colleagues from Porto and the sta↵ of the Departamento de Ciência de Computadores for their great work environment they provided. This acklow ...
... and theoretical problems (through many, many discussions and debates), but also have shown how to do robust research. I also would like to thank all my other colleagues from Porto and the sta↵ of the Departamento de Ciência de Computadores for their great work environment they provided. This acklow ...
Acute colchicine intoxication complicated with complete AV block
... Hemodialysis can be performed in patients with renal failure but not for elimination of drug due to rapid and extensive diffusion into all tissues shortly after oral administration, and large volume of distribution. Leukopheresis along with plasma exchange, or whole blood exchange can be performed i ...
... Hemodialysis can be performed in patients with renal failure but not for elimination of drug due to rapid and extensive diffusion into all tissues shortly after oral administration, and large volume of distribution. Leukopheresis along with plasma exchange, or whole blood exchange can be performed i ...
High intensity aerobic interval exercise is superior to
... VO2peak [27,28]. The results of these studies showed that 12 months exercise at an intensity of 50–95% of VO2peak carried out three to five times per week produced an improvement of 37–42%. The longer training period, along with the large dispersion in intensity and various numbers of training sessi ...
... VO2peak [27,28]. The results of these studies showed that 12 months exercise at an intensity of 50–95% of VO2peak carried out three to five times per week produced an improvement of 37–42%. The longer training period, along with the large dispersion in intensity and various numbers of training sessi ...
Comparison of estimations versus measured resting oxygen
... HF, with annual healthcare cost estimations reaching $39 billion in 2010 when the cost of hospitalizations, medications and loss of productivity are considered (Bui et al., 2011). Cardiac output (while supine at rest) is an important measure in the determination of HF severity and in assessment of ...
... HF, with annual healthcare cost estimations reaching $39 billion in 2010 when the cost of hospitalizations, medications and loss of productivity are considered (Bui et al., 2011). Cardiac output (while supine at rest) is an important measure in the determination of HF severity and in assessment of ...
The contribution of mitral annular excursion and shape - AJP
... encompasses a volume that is part of the total LV volume change during both filling and emptying. Our objective was to evaluate the contribution of MA excursion and shape variation to total LV volume change. Nine healthy subjects aged 56±11 (mean±SD) years underwent transesophageal echocardiography ...
... encompasses a volume that is part of the total LV volume change during both filling and emptying. Our objective was to evaluate the contribution of MA excursion and shape variation to total LV volume change. Nine healthy subjects aged 56±11 (mean±SD) years underwent transesophageal echocardiography ...
Depolarization and Repolarization
... of >1mm and longer than 80 milliseconds following the Jpoint. This measure has a false positive rate of 15-20% (which is slightly higher in women than men) and a false negative rate of 20-30%. • ST depression may be associated with hypokalemia or digitalis toxicity. ...
... of >1mm and longer than 80 milliseconds following the Jpoint. This measure has a false positive rate of 15-20% (which is slightly higher in women than men) and a false negative rate of 20-30%. • ST depression may be associated with hypokalemia or digitalis toxicity. ...
Screening young athletes for prevention of sudden cardiac death
... examination in HMC. It indicates a left ventricular outflow obstruction. It should be audible at rest in 25% of individuals and in 50% by performing the Valsalva maneuver or in the standing position (Maron et al., 2007). In 5615 US high school athletes (Fuller et al., 1997), 175 (3.2%) of auscultati ...
... examination in HMC. It indicates a left ventricular outflow obstruction. It should be audible at rest in 25% of individuals and in 50% by performing the Valsalva maneuver or in the standing position (Maron et al., 2007). In 5615 US high school athletes (Fuller et al., 1997), 175 (3.2%) of auscultati ...
Pericardial Fat Is Associated With Prevalent Atrial Fibrillation
... studies from diverse populations. As previously reported for coronary artery calcification and prevalent cardiovascular disease, the association with AF appears to be limited to pericardial fat,13,18 which is suggestive of a possible local cardiovascular effect of this depot. Pericardial fat is sign ...
... studies from diverse populations. As previously reported for coronary artery calcification and prevalent cardiovascular disease, the association with AF appears to be limited to pericardial fat,13,18 which is suggestive of a possible local cardiovascular effect of this depot. Pericardial fat is sign ...
An introduction to electrocardiogram monitoring
... The bedside cardiac monitor (Figure 3) (oscilloscope) provides a continuous display of the patient’s ECG. Common features of a cardiac monitor include: • screen: a dull/bright switch can be adjusted if the screen is too light or too dark; • ECG printout facility: to record cardiac arrhythmias (helpf ...
... The bedside cardiac monitor (Figure 3) (oscilloscope) provides a continuous display of the patient’s ECG. Common features of a cardiac monitor include: • screen: a dull/bright switch can be adjusted if the screen is too light or too dark; • ECG printout facility: to record cardiac arrhythmias (helpf ...
Carotid Sinus Syndrome as a Manifestation of Head and Neck Cancer
... vasodepressor or the mixed type of CSS is unsatisfactory and remains to be established. Cardiac pacing is ineffective in pure vasodepressor CSS since it can only control the bradycardia component that is found in cardioinhibitory CSS and not the low blood pressure [9]. Limited success has been achie ...
... vasodepressor or the mixed type of CSS is unsatisfactory and remains to be established. Cardiac pacing is ineffective in pure vasodepressor CSS since it can only control the bradycardia component that is found in cardioinhibitory CSS and not the low blood pressure [9]. Limited success has been achie ...
Arrhythmia/Electrophysiology
... of ICD recipients. If true, this would indicate that dualchamber ICDs are preferable to single-chamber devices in most ICD recipients because of a decrease in the morbidity due to inappropriate therapy. ...
... of ICD recipients. If true, this would indicate that dualchamber ICDs are preferable to single-chamber devices in most ICD recipients because of a decrease in the morbidity due to inappropriate therapy. ...
ACCF/ASE/ACEP/ASNC/SCAI/SCCT/SCMR 2007 Appropriateness
... the imaging modalities examined. Although not intended to be entirely comprehensive, the indications are meant to identify common scenarios encompassing the majority of contemporary practice. Given the breadth of information they convey, the indications do not directly correspond to the classificati ...
... the imaging modalities examined. Although not intended to be entirely comprehensive, the indications are meant to identify common scenarios encompassing the majority of contemporary practice. Given the breadth of information they convey, the indications do not directly correspond to the classificati ...
Ventricular Tachycardia
... A premature atrial contraction (PAC) occurs when an ectopic atrial impulse discharges prematurely While the sinoatrial node typically regulates the heartbeat during normal sinus rhythm, PACs occur when another region of the atria depolarizes before the sinoatrial node and thus triggers a premature h ...
... A premature atrial contraction (PAC) occurs when an ectopic atrial impulse discharges prematurely While the sinoatrial node typically regulates the heartbeat during normal sinus rhythm, PACs occur when another region of the atria depolarizes before the sinoatrial node and thus triggers a premature h ...
Ventricular free wall rupture after myocardial infarction
... give the prevalence of VFWR among those who died of myocardial infarction (MI), but would not tell the frequency of the complication in patients suffering from acute MI. Incidence of myocardial rupture in published autopsy series of MI varied from 5.0% to 24.0%.13-35 Some studies utilised the cohort ...
... give the prevalence of VFWR among those who died of myocardial infarction (MI), but would not tell the frequency of the complication in patients suffering from acute MI. Incidence of myocardial rupture in published autopsy series of MI varied from 5.0% to 24.0%.13-35 Some studies utilised the cohort ...
Permanent cardiac pacemaker: an emergency perspective
... implantation. Generally most perforation are benign and self limiting but rarely it may progress to tamponade and haemodynamic compromise.13 Post cardiotomy like syndrome secondar y to pacemaker insertion was first described in 1975. This is characterised by fever, pleuropericarditis and pericardial ...
... implantation. Generally most perforation are benign and self limiting but rarely it may progress to tamponade and haemodynamic compromise.13 Post cardiotomy like syndrome secondar y to pacemaker insertion was first described in 1975. This is characterised by fever, pleuropericarditis and pericardial ...
Echocardiographic Assessment of Ventricular Systolic Function
... Fig. 1. (A) A 72-yr-old man with history of coronary artery disease and heart failure. The left ventricular ejection fraction measured 15%. The apical septal and apical inferior segments were aneurysmal. The entire anterior wall, mid- and distal lateral walls, anterior septal, midposterior segment, ...
... Fig. 1. (A) A 72-yr-old man with history of coronary artery disease and heart failure. The left ventricular ejection fraction measured 15%. The apical septal and apical inferior segments were aneurysmal. The entire anterior wall, mid- and distal lateral walls, anterior septal, midposterior segment, ...
Dual atrioventricular nodal non-re
... Figure 2 Electrocardiographic differential diagnosis of DAVNNT. Examples of DAVNNTs (A, B) and the relevant differential diagnosis of supraventricular premature beats (C, D) are presented. (A) Typical DAVNNT ECG pattern with biphasic P wave morphology in lead V1 consistent with sinus rhythm followed ...
... Figure 2 Electrocardiographic differential diagnosis of DAVNNT. Examples of DAVNNTs (A, B) and the relevant differential diagnosis of supraventricular premature beats (C, D) are presented. (A) Typical DAVNNT ECG pattern with biphasic P wave morphology in lead V1 consistent with sinus rhythm followed ...
Review - MedPage Today
... Most studies did not provide sufficient data to estimate the degree and accuracy of reclassification. They instead provided an estimate of risk associated with the presence (vs. the absence) of abnormalities on ECG after adjustment for traditional risk factors. We used Stata/IC, version 11.1 (StataC ...
... Most studies did not provide sufficient data to estimate the degree and accuracy of reclassification. They instead provided an estimate of risk associated with the presence (vs. the absence) of abnormalities on ECG after adjustment for traditional risk factors. We used Stata/IC, version 11.1 (StataC ...
open the file... - Univera Healthcare
... devices vary, as does their exact mode of deployment. They are implanted in the defect in a cardiac catheterization laboratory, through catheters inserted into either a vein or an artery (transcatheter or percutaneous approach). There are several types of defects, which include atrial septal defect ...
... devices vary, as does their exact mode of deployment. They are implanted in the defect in a cardiac catheterization laboratory, through catheters inserted into either a vein or an artery (transcatheter or percutaneous approach). There are several types of defects, which include atrial septal defect ...
Gated blood pool SPECT improves reproducibility of right and left
... could progress only as far as processing by two observers. We manually positioned ROIs over RV and LV using GBPS images to measure their FPA values. This twodimensional method was similar to the usual measurement for FPA in PRNA. We decided to not use the automatic 3-D FPA, including automatic conto ...
... could progress only as far as processing by two observers. We manually positioned ROIs over RV and LV using GBPS images to measure their FPA values. This twodimensional method was similar to the usual measurement for FPA in PRNA. We decided to not use the automatic 3-D FPA, including automatic conto ...
Tests helped me understand my heart
... However, you will need to be able to lie still, because body movements can affect the result. What can the test show? Your ECG may detect problems called arrhythmias. These are abnormal heart rhythms where the heart beats too slowly, too fast or irregularly. Or, if you get sudden symptoms such as ch ...
... However, you will need to be able to lie still, because body movements can affect the result. What can the test show? Your ECG may detect problems called arrhythmias. These are abnormal heart rhythms where the heart beats too slowly, too fast or irregularly. Or, if you get sudden symptoms such as ch ...
Syncope Iowa State University
... Ambulatory ECG (Holter) monitoring has been useful for identifying or excluding cardiac arrhythmias as a cause for syncope in some animals and people.1, 4, 6, 14, 19 In a study of 44 dogs with syncope, Holter monitoring had a diagnostic yield (both positive and negative results) of 42%. In 30 % of c ...
... Ambulatory ECG (Holter) monitoring has been useful for identifying or excluding cardiac arrhythmias as a cause for syncope in some animals and people.1, 4, 6, 14, 19 In a study of 44 dogs with syncope, Holter monitoring had a diagnostic yield (both positive and negative results) of 42%. In 30 % of c ...
Cardiomyocyte apoptosis and ventricular remodeling after - AJP
... Experimental MI and tissue sampling. MI was produced by ligation of the left anterior descending coronary artery. Briefly, adult male Wistar rats weighing 350–500 g were anesthetized subcutaneously by using 0.5 mg/kg of medetomidine (Domitor, Orion; Turku, Finland) and with 70–80 mg/kg ip ketamine ( ...
... Experimental MI and tissue sampling. MI was produced by ligation of the left anterior descending coronary artery. Briefly, adult male Wistar rats weighing 350–500 g were anesthetized subcutaneously by using 0.5 mg/kg of medetomidine (Domitor, Orion; Turku, Finland) and with 70–80 mg/kg ip ketamine ( ...