Inquiry into Life Twelfth Edition
... the atrioventricular bundle before reaching the Purkinje fibers. • Purkinje fibers are specialized muscle cells that cause the ventricles to contract. ...
... the atrioventricular bundle before reaching the Purkinje fibers. • Purkinje fibers are specialized muscle cells that cause the ventricles to contract. ...
Prevention of sudden cardiac death in
... systolic blood pressure response to exercise (ABPRE), characterised by progressive hypotension or a failure to augment the systolic blood pressure.w25 Haemodynamic studies indicate that ABPRE is caused by an inappropriate drop in systemic vascular resistance during exercise and a poor cardiac output ...
... systolic blood pressure response to exercise (ABPRE), characterised by progressive hypotension or a failure to augment the systolic blood pressure.w25 Haemodynamic studies indicate that ABPRE is caused by an inappropriate drop in systemic vascular resistance during exercise and a poor cardiac output ...
p001.pdf
... of the training set, especially for modeling the cardiac motion is extremely small and the results for the segmentation are expected to be even better when using a larger training set. This is especially true, when segmenting new unseen images. Therefore one necessary step for further improvements a ...
... of the training set, especially for modeling the cardiac motion is extremely small and the results for the segmentation are expected to be even better when using a larger training set. This is especially true, when segmenting new unseen images. Therefore one necessary step for further improvements a ...
Neurogenic atrial fibrillation
... are contraindicated, as they tend to precipitate the arrhythmia and prevent the traditional anti-arrhythmic treatment from being effective. Prophylaxis is not indicated unless AF occurs so frequently that the efficacy of any intervention can be assessed. Paroxysms that remain few and far between, an ...
... are contraindicated, as they tend to precipitate the arrhythmia and prevent the traditional anti-arrhythmic treatment from being effective. Prophylaxis is not indicated unless AF occurs so frequently that the efficacy of any intervention can be assessed. Paroxysms that remain few and far between, an ...
Each image sequence consisted of N images repressented on a M f
... The third principal image shows some left-right changes with timing at some non-respiratory frequency. It is possible that this an experimental artefact; the low level of the changes allows little confidence in its interpretation. Interpretation of FT results During breath holding the most significa ...
... The third principal image shows some left-right changes with timing at some non-respiratory frequency. It is possible that this an experimental artefact; the low level of the changes allows little confidence in its interpretation. Interpretation of FT results During breath holding the most significa ...
Factfile: Pulmonary Hypertension
... stages of the condition. The chest X-ray may show cardiomegaly with enlargement of the proximal pulmonary arteries. The ECG may show right axis deviation, tall peaked p waves and either a dominant R wave in the right precordial leads or right bundle branch block. All patients with suspected pulmonar ...
... stages of the condition. The chest X-ray may show cardiomegaly with enlargement of the proximal pulmonary arteries. The ECG may show right axis deviation, tall peaked p waves and either a dominant R wave in the right precordial leads or right bundle branch block. All patients with suspected pulmonar ...
GETTING TO KNOW SIRS
... “It is not uncommon in the NICU to be presented with the scenarios of two infants of same gestational age, with similar prenatal and delivery histories, who both have blood cultures positive for group B streptococcus. One infant is active, alert and tolerating feedings. The other is on the ventilato ...
... “It is not uncommon in the NICU to be presented with the scenarios of two infants of same gestational age, with similar prenatal and delivery histories, who both have blood cultures positive for group B streptococcus. One infant is active, alert and tolerating feedings. The other is on the ventilato ...
Gene expression profiling reveals potential prognostic biomarkers
... patients from the first (Q1) and fourth (Q4) quartiles we selected only those who had: a high level of NT-proBNP and low LVEF 6 months after AMI (HF group, n = 9 patients), or low level of NT-proBNP and high LVEF 6 months after AMI (non-HF group, n = 8 patients). The validation group compris ...
... patients from the first (Q1) and fourth (Q4) quartiles we selected only those who had: a high level of NT-proBNP and low LVEF 6 months after AMI (HF group, n = 9 patients), or low level of NT-proBNP and high LVEF 6 months after AMI (non-HF group, n = 8 patients). The validation group compris ...
Pulmonary oedema in healthy SCUBA divers: new
... The diagnosis of immersion pulmonary oedema was supported by history, clinical presentation and results of biological and radiological investigations. We did not include cases in which the clinical history suggested drowning, pulmonary barotraumas, chokes or hypercapnia. BNP above 100 pg ml)1 in non ...
... The diagnosis of immersion pulmonary oedema was supported by history, clinical presentation and results of biological and radiological investigations. We did not include cases in which the clinical history suggested drowning, pulmonary barotraumas, chokes or hypercapnia. BNP above 100 pg ml)1 in non ...
ischemic heart disease: an overview
... The difference between normal resting coronary blood flow and the maximally dilated flow is called maximal or pharmacologic coronary flow reserve. Figure 1 illustrates the effect of increasing degrees of coronary stenosis on maximal coronary flow reserve. There is generally no reduction in maximal f ...
... The difference between normal resting coronary blood flow and the maximally dilated flow is called maximal or pharmacologic coronary flow reserve. Figure 1 illustrates the effect of increasing degrees of coronary stenosis on maximal coronary flow reserve. There is generally no reduction in maximal f ...
Gene expression profiling reveals potential prognostic biomarkers
... patients from the first (Q1) and fourth (Q4) quartiles we selected only those who had: a high level of NT-proBNP and low LVEF 6 months after AMI (HF group, n = 9 patients), or low level of NT-proBNP and high LVEF 6 months after AMI (non-HF group, n = 8 patients). The validation group compris ...
... patients from the first (Q1) and fourth (Q4) quartiles we selected only those who had: a high level of NT-proBNP and low LVEF 6 months after AMI (HF group, n = 9 patients), or low level of NT-proBNP and high LVEF 6 months after AMI (non-HF group, n = 8 patients). The validation group compris ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... Cardiac pacing remains the only effective long-term treatment also for symptomatic bradycardia and chronotropic incompetence. Single chamber ventricular apical pacing continues to be the predominant pacing mode in the developing countries, primarily due to economic constraints. Numerous previous rep ...
... Cardiac pacing remains the only effective long-term treatment also for symptomatic bradycardia and chronotropic incompetence. Single chamber ventricular apical pacing continues to be the predominant pacing mode in the developing countries, primarily due to economic constraints. Numerous previous rep ...
PDF - Circulation
... be asked about activity capacity. For instance, can the child keep up with children of the same age while playing vigorously? Have there been complaints of shortness of breath or extra beats, skipped beats, racing of the heart (palpitations), or chest pain? Chest pain is a common complaint, but a ca ...
... be asked about activity capacity. For instance, can the child keep up with children of the same age while playing vigorously? Have there been complaints of shortness of breath or extra beats, skipped beats, racing of the heart (palpitations), or chest pain? Chest pain is a common complaint, but a ca ...
Post-mortem study of the association between cardiac iron and
... function occurs in concert with myocardial iron reduction implying a causal relationship [8–10]. In other nontransfusional cardiomyopathies such as hypertrophic cardiomyopathy [11], dilated cardiomyopathy [12], and arrhythmogenic right/left ventricular cardiomyopathy [13, 14], macroscopic replacemen ...
... function occurs in concert with myocardial iron reduction implying a causal relationship [8–10]. In other nontransfusional cardiomyopathies such as hypertrophic cardiomyopathy [11], dilated cardiomyopathy [12], and arrhythmogenic right/left ventricular cardiomyopathy [13, 14], macroscopic replacemen ...
Prognostic Factors in Patients with Congestive Heart Failure
... for those with EF of 23% to 29%, this rate was 39%; and for those with EF of 6% to 22%, the mortality rate was 50%. Other studies showed similar results. In the study of Cohn et al 36, patients with EF smaller than 25% had a worse prognosis than those whose EF was greater than 35%. Serial studies of ...
... for those with EF of 23% to 29%, this rate was 39%; and for those with EF of 6% to 22%, the mortality rate was 50%. Other studies showed similar results. In the study of Cohn et al 36, patients with EF smaller than 25% had a worse prognosis than those whose EF was greater than 35%. Serial studies of ...
Pulmonary Atresia with Ventricular Septal Defect and Major
... which is known to be a major factor affecting longterm outcome. Honjo et al. [3] demonstrated that an intraoperative pulmonary blood flow study is better than preoperative anatomy in predicting RV pressure and physiological tolerance after intracardiac repair. Likewise, it was very useful in our cas ...
... which is known to be a major factor affecting longterm outcome. Honjo et al. [3] demonstrated that an intraoperative pulmonary blood flow study is better than preoperative anatomy in predicting RV pressure and physiological tolerance after intracardiac repair. Likewise, it was very useful in our cas ...
Heart Last modified January 9, 2017 at 5:21 am
... A) The semilunar valves are not closing simultaneously. B) The atrial blood is flowing backward and causing the extra sound. C) The atrioventricular valves are not closing at the same time. D) The AV and semilunar valves are not closing at the same time. E) No such double sound has ever been heard. ...
... A) The semilunar valves are not closing simultaneously. B) The atrial blood is flowing backward and causing the extra sound. C) The atrioventricular valves are not closing at the same time. D) The AV and semilunar valves are not closing at the same time. E) No such double sound has ever been heard. ...
Slide ()
... Comparison of the continuous murmur and the to-fro murmur. During abnormal communication between high-pressure and low-pressure systems, a large pressure gradient exists throughout the cardiac cycle, producing a continuous murmur. A classic example is patent ductus arteriosus. At times, this type of ...
... Comparison of the continuous murmur and the to-fro murmur. During abnormal communication between high-pressure and low-pressure systems, a large pressure gradient exists throughout the cardiac cycle, producing a continuous murmur. A classic example is patent ductus arteriosus. At times, this type of ...
HbA1c: A Marker for Severity of Acute Myocardial Infarction
... mortality. Present study was undertaken to find out the correlation between HbA1c levels and complications and outcome in patients of acute myocardial infarction. Materials and methods: Present prospective observational study was conducted on 200 patients admitted to the medical wards in hospital wi ...
... mortality. Present study was undertaken to find out the correlation between HbA1c levels and complications and outcome in patients of acute myocardial infarction. Materials and methods: Present prospective observational study was conducted on 200 patients admitted to the medical wards in hospital wi ...
Prognostic value of T peak-to-end Interval for risk stratification after
... Aim: Fatal Arrhythmia is the main cause of sudden death in patients with acute myocardial infarction either during hospital admission or in post-discharge period. Our aim is to identify groups at high risk of arrhythmic mortality by using a simple bed-side test in Electrocardiogram. Background: Tran ...
... Aim: Fatal Arrhythmia is the main cause of sudden death in patients with acute myocardial infarction either during hospital admission or in post-discharge period. Our aim is to identify groups at high risk of arrhythmic mortality by using a simple bed-side test in Electrocardiogram. Background: Tran ...
of Heart Failure - Besancon.cardio.com
... echocardiogram. This ultrasonic examination visualises the cardiac chambers and valves. Systolic and diastolic ventricular contractile function can be measured, as can chamber size and wall thickness. Similarly, Doppler ultrasound enables valvular stenosis and regurgitation to be detected and quanti ...
... echocardiogram. This ultrasonic examination visualises the cardiac chambers and valves. Systolic and diastolic ventricular contractile function can be measured, as can chamber size and wall thickness. Similarly, Doppler ultrasound enables valvular stenosis and regurgitation to be detected and quanti ...
Clinical Practice Guidelines on UA/NSTEMI 2002
... and TnT are available, and several studies have demonstrated their ability to detect myocardial injury and their potential usefulness as a risk stratification tool.28-33 The prognostic value of TnI or TnT to predict the risk for death, MI and the need for revascularisation at 30 days, is equal. The ...
... and TnT are available, and several studies have demonstrated their ability to detect myocardial injury and their potential usefulness as a risk stratification tool.28-33 The prognostic value of TnI or TnT to predict the risk for death, MI and the need for revascularisation at 30 days, is equal. The ...
Self test (final version) (NEW)
... right and left ventricles. What is the significance of the difference? Left ventricle has thicker wall than right ...
... right and left ventricles. What is the significance of the difference? Left ventricle has thicker wall than right ...
Left Ventricular End-Diastolic Pressure-Volume
... of excess mediator release, multiple organs remote from the inciting inflammatory event sustain injury (8, 15). There is increasing evidence that sepsis alters myocardial function in clinical and experimental settings (1, 5-7, 12-15, 17, 20, 21). Most investigators have focussed on the characterizat ...
... of excess mediator release, multiple organs remote from the inciting inflammatory event sustain injury (8, 15). There is increasing evidence that sepsis alters myocardial function in clinical and experimental settings (1, 5-7, 12-15, 17, 20, 21). Most investigators have focussed on the characterizat ...