Chapter_014 heart lectureRich
... QRS complex: the spread of a stimulus through the ventricles ST segment and T wave: the return of stimulated ventricular muscle to a resting state U wave: a small deflection sometimes seen just after the T wave Q-T interval: the time elapsed from the onset of ventricular depolarization until the com ...
... QRS complex: the spread of a stimulus through the ventricles ST segment and T wave: the return of stimulated ventricular muscle to a resting state U wave: a small deflection sometimes seen just after the T wave Q-T interval: the time elapsed from the onset of ventricular depolarization until the com ...
Impact of Pulse Oximetry Screening on the Detection of Duct
... asymptomatic newborns. Pulse oximetry is a noninvasive, readily available, relatively cheap, wellvalidated test and carried out by either a nurse or a doctor.19 Currently, pulse oximetric screening has been proposed by some authors as one such strategy for early detection of cyanotic CHD in newborns ...
... asymptomatic newborns. Pulse oximetry is a noninvasive, readily available, relatively cheap, wellvalidated test and carried out by either a nurse or a doctor.19 Currently, pulse oximetric screening has been proposed by some authors as one such strategy for early detection of cyanotic CHD in newborns ...
to the Session 3 notes
... The main disadvantages are due to increased radiation hazards created by a relatively high overall radiation dose, the frequent use of a horizontally directed x-ray beam and the fact that personnel are more likely to be within the controlled area, especially when interventional procedures are being ...
... The main disadvantages are due to increased radiation hazards created by a relatively high overall radiation dose, the frequent use of a horizontally directed x-ray beam and the fact that personnel are more likely to be within the controlled area, especially when interventional procedures are being ...
CPC: Plumbism or Promiscuity?
... “Go rest, young man,” Sy told him, gritting his teeth. “Take a walk on the beach. I need time to think. And try to be civil when our guests arrive later this afternoon.” Sy flopped into his favorite soft recliner and gave out a heavy sigh. Joyce, noting his brooding mood, looked to provide comfort. ...
... “Go rest, young man,” Sy told him, gritting his teeth. “Take a walk on the beach. I need time to think. And try to be civil when our guests arrive later this afternoon.” Sy flopped into his favorite soft recliner and gave out a heavy sigh. Joyce, noting his brooding mood, looked to provide comfort. ...
PDF
... dose (ED) of 3.0 mSv per head per year,5 which is equivalent to the radiological risk of 150 chest X-rays (Figure 1), even higher than natural background radiation.6 Cardiologists are responsible for about 40% of the entire cumulative ED to the US population from all medical sources except radiother ...
... dose (ED) of 3.0 mSv per head per year,5 which is equivalent to the radiological risk of 150 chest X-rays (Figure 1), even higher than natural background radiation.6 Cardiologists are responsible for about 40% of the entire cumulative ED to the US population from all medical sources except radiother ...
Evaluation of cardioprotective effect of silk cocoon (Abresham) on
... Bombyx mori (B. mori) on isoprenaline-induced myocardial infarction. This study deals with the cocoons, which is called Abresham in the Unani system of medicine. It is one of the 64 drugs which Avicenna has mentioned in Avicenna’s tract on cardiac drugs and used in the treatment of cardiovascular di ...
... Bombyx mori (B. mori) on isoprenaline-induced myocardial infarction. This study deals with the cocoons, which is called Abresham in the Unani system of medicine. It is one of the 64 drugs which Avicenna has mentioned in Avicenna’s tract on cardiac drugs and used in the treatment of cardiovascular di ...
Diastolic Heart Failure and Critical Illness
... stolic heart failure should be made only in case of ªevidence of abnormal left ventricular relaxation, diastolic distensibility or diastole stiffnessº [7]. Vasan and Levy tried to rationalize the diagnosis with pragmatic criteria which are not yet widely used in the cardiologic literature [8]. They ...
... stolic heart failure should be made only in case of ªevidence of abnormal left ventricular relaxation, diastolic distensibility or diastole stiffnessº [7]. Vasan and Levy tried to rationalize the diagnosis with pragmatic criteria which are not yet widely used in the cardiologic literature [8]. They ...
The structure and function of cardiac t
... avoided the technical flaws of the early EM studies, which involved traumatic fixation and limited three-dimensional insight. Their work elaborated the exquisite complexity of the t-tubule system (figure 1), which runs deep into cardiomyocytes and varies in its diameter. Recent work has reconstructe ...
... avoided the technical flaws of the early EM studies, which involved traumatic fixation and limited three-dimensional insight. Their work elaborated the exquisite complexity of the t-tubule system (figure 1), which runs deep into cardiomyocytes and varies in its diameter. Recent work has reconstructe ...
Corrigan`s Disease
... heart disease". T o prove his point he quotes from the works of Corvisart, Laennec, and Bertin in which bleeding, blistering, starvation, and purging are advocated. He paints out that the cardiac hypertrophy ofaorticregurgitation is "a provision of nature to make the power of the part equal to the o ...
... heart disease". T o prove his point he quotes from the works of Corvisart, Laennec, and Bertin in which bleeding, blistering, starvation, and purging are advocated. He paints out that the cardiac hypertrophy ofaorticregurgitation is "a provision of nature to make the power of the part equal to the o ...
Anomalous origin of the right pulmonary artery from the ascending
... be fatal11. The most frequently used surgical approach is direct anastomosis of the anomalous pulmonary branch to the main pulmonary artery; however, direct implantation is associated with high residual gradient across the anastomosis site, with high frequency of surgical reintervention. Alternative ...
... be fatal11. The most frequently used surgical approach is direct anastomosis of the anomalous pulmonary branch to the main pulmonary artery; however, direct implantation is associated with high residual gradient across the anastomosis site, with high frequency of surgical reintervention. Alternative ...
Light-induced termination of spiral wave arrhythmias by optogenetic
... clinical practice, substantially contributing to morbidity and mortality, especially in the elderly.1 Yet, knowledge about its underlying mechanisms remains far from complete, although reentrant conduction is widely accepted to play a prominent role in AF. Still, current treatment ...
... clinical practice, substantially contributing to morbidity and mortality, especially in the elderly.1 Yet, knowledge about its underlying mechanisms remains far from complete, although reentrant conduction is widely accepted to play a prominent role in AF. Still, current treatment ...
Hypertension and Diabetes Mellitus
... recommends a target BP of <130/80mmHg in order to prevent death and disability associated with high BP. Once hypertension is detected both pharmacological and non-pharmacological interventions should be implemented. Instituting lifestyle modifications is paramount, along with medical therapy at the ...
... recommends a target BP of <130/80mmHg in order to prevent death and disability associated with high BP. Once hypertension is detected both pharmacological and non-pharmacological interventions should be implemented. Instituting lifestyle modifications is paramount, along with medical therapy at the ...
DIFFERENTIAL DIAGNOSIS AND TREATMENT EDEMA.TACTICS GP.
... Heart failure - a pathological condition in which the cardiac output does not match the needs of the body by reducing the pumping function of the heart.Symptoms of heart failure:Causes of Heart Failure:The cause may be an overload of the heart increased blood volume and (or) pressure (heart diseases ...
... Heart failure - a pathological condition in which the cardiac output does not match the needs of the body by reducing the pumping function of the heart.Symptoms of heart failure:Causes of Heart Failure:The cause may be an overload of the heart increased blood volume and (or) pressure (heart diseases ...
The relationship between B-type natriuretic peptide levels and
... symptoms may vary substantially during the course of the disease process and may not correlate with changes in underlying cardiac function. Although HF is progressive and often fatal, patients can be stabilized, and myocardial dysfunction and remodeling may improve, either spontaneously or as a cons ...
... symptoms may vary substantially during the course of the disease process and may not correlate with changes in underlying cardiac function. Although HF is progressive and often fatal, patients can be stabilized, and myocardial dysfunction and remodeling may improve, either spontaneously or as a cons ...
Heart PPT - McCreary County Schools
... • Calculating the cardiac output – Cardiac output is the volume of blood pumped by the heart per minute (mL blood/min). Cardiac output is a function of heart rate and stroke volume. The heart rate is simply the number of heart beats per minute. The stroke volume is the volume of blood, in milliliter ...
... • Calculating the cardiac output – Cardiac output is the volume of blood pumped by the heart per minute (mL blood/min). Cardiac output is a function of heart rate and stroke volume. The heart rate is simply the number of heart beats per minute. The stroke volume is the volume of blood, in milliliter ...
PDF - Circulation: Arrhythmia and Electrophysiology
... ventricular tachycardias (VTs) was referred for catheter ablation. Activation and pace mapping were performed at multiple sites in the right and left ventricular outflow tracts (RVOT and LVOT) (Figure 1). Nonirrigated radiofrequency (RF) applications delivered in the left coronary cusp where pacing ...
... ventricular tachycardias (VTs) was referred for catheter ablation. Activation and pace mapping were performed at multiple sites in the right and left ventricular outflow tracts (RVOT and LVOT) (Figure 1). Nonirrigated radiofrequency (RF) applications delivered in the left coronary cusp where pacing ...
Analysis and Interpretation of the Electrocardiogram A Self
... Atrial fibrillation represents disorganized atrial activity without contraction or ejection. The electrocardiogram demonstrates an irregular baseline where the normal P waves are replaced with rapidly quivering small deflection of variable amplitude (f waves - outlined below). An irregularly irregul ...
... Atrial fibrillation represents disorganized atrial activity without contraction or ejection. The electrocardiogram demonstrates an irregular baseline where the normal P waves are replaced with rapidly quivering small deflection of variable amplitude (f waves - outlined below). An irregularly irregul ...
Naming of the Waves in the ECG, With a Brief Account
... Einthoven developed a mathematical formula that compensated for the inertia and friction of the mercury column in the capillary tube of the refined Lippmann electrometer. In 1895 he published an illustration (Figure 1) that showed his mathematically corrected curve superimposed on the uncorrected cu ...
... Einthoven developed a mathematical formula that compensated for the inertia and friction of the mercury column in the capillary tube of the refined Lippmann electrometer. In 1895 he published an illustration (Figure 1) that showed his mathematically corrected curve superimposed on the uncorrected cu ...
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... Atrial fibrillation represents disorganized atrial activity without contraction or ejection. The electrocardiogram demonstrates an irregular baseline where the normal P waves are replaced with rapidly quivering small deflection of variable amplitude (f waves - outlined below). An irregularly irregul ...
... Atrial fibrillation represents disorganized atrial activity without contraction or ejection. The electrocardiogram demonstrates an irregular baseline where the normal P waves are replaced with rapidly quivering small deflection of variable amplitude (f waves - outlined below). An irregularly irregul ...
Anterior Mitral Basal `Stay` Chords are Essential for Left Ventricular
... The mitral annulus plane was defined as the plane that included both FT (T1 and T2) and the middle of the PMA. The aortic annulus plane was defined as plane incorporating both FT (T1 and T2) and the lowest point of the right coronary sinus (RCS) (Fig. 1). Both planes defined the base of the heart wi ...
... The mitral annulus plane was defined as the plane that included both FT (T1 and T2) and the middle of the PMA. The aortic annulus plane was defined as plane incorporating both FT (T1 and T2) and the lowest point of the right coronary sinus (RCS) (Fig. 1). Both planes defined the base of the heart wi ...
Fetal Heart Rate Patterns
... (4). The fetal CNS is susceptible to hypoxia. Since the FHR and its alterations are most directly under CNS control through sympathetic and parasympathetic reflexes, alterations in the FHR can be sensitive indicators of fetal hypoxia (4, 5). In some instances of decreased oxygenation, the pattern of ...
... (4). The fetal CNS is susceptible to hypoxia. Since the FHR and its alterations are most directly under CNS control through sympathetic and parasympathetic reflexes, alterations in the FHR can be sensitive indicators of fetal hypoxia (4, 5). In some instances of decreased oxygenation, the pattern of ...
Energy metabolism in reperfused heart muscle: Metabolic
... from the heart. During this time the left atrium was can• nulated. Perfusion as a "working" heart was then begun at a left atrial pressure of 8 cm H 20 and an aortic afterload of 100 cm H20 and continued for 20 minutes before the heart was made globally ischemic by clamping the tubing leading to the ...
... from the heart. During this time the left atrium was can• nulated. Perfusion as a "working" heart was then begun at a left atrial pressure of 8 cm H 20 and an aortic afterload of 100 cm H20 and continued for 20 minutes before the heart was made globally ischemic by clamping the tubing leading to the ...
Sex Differences in the Beneficial Cardiac Effects of Chronic
... of CAT and SOD enzymes in both sexes, as well as GPx activity in males. ANP decreased fibrosis and apoptosis in hearts from male and female SHR but females showed less end-organ damage in heart. Chronic ANP treatment would ameliorate hypertension and end-organ damage in heart by reducing oxidative s ...
... of CAT and SOD enzymes in both sexes, as well as GPx activity in males. ANP decreased fibrosis and apoptosis in hearts from male and female SHR but females showed less end-organ damage in heart. Chronic ANP treatment would ameliorate hypertension and end-organ damage in heart by reducing oxidative s ...
Cardiac Alpha1-Adrenergic Receptors
... the IP3-receptor to release calcium from intracellular stores, and DAG activates protein kinase C (PKC). Other Gq-coupled GPCRs that signal through Gaq, such as endothelin receptors (ETRs) and angiotensin receptors (ATRs), are believed to play an important role in the pathogenesis of heart failure. ...
... the IP3-receptor to release calcium from intracellular stores, and DAG activates protein kinase C (PKC). Other Gq-coupled GPCRs that signal through Gaq, such as endothelin receptors (ETRs) and angiotensin receptors (ATRs), are believed to play an important role in the pathogenesis of heart failure. ...
