Pacemaker Syndrome During Managed Ventricular
... DDD (R) pacing mode despite a second-degree type II AV block. During MVP, the AAI(R) mode operates with a dynamic atrial refractory period (ARP) set either to 75% of the R–R cycle length if heart rate is 75 bpm or faster, or to 600 ms if heart rate is slower than 75 bpm. The purpose of dynamic ARP i ...
... DDD (R) pacing mode despite a second-degree type II AV block. During MVP, the AAI(R) mode operates with a dynamic atrial refractory period (ARP) set either to 75% of the R–R cycle length if heart rate is 75 bpm or faster, or to 600 ms if heart rate is slower than 75 bpm. The purpose of dynamic ARP i ...
Regulation of Coronary Blood Flow in Health and Ischemic Heart
... subendocardium (ENDO; red) versus subepicardium (EPI; gold) to ischemia reflects the fact that autoregulation is exhausted at a higher coronary pressure (40 versus 25 mm Hg). This is the result of increased resting flow and oxygen consumption in the subendocardium and an increased sensitivity to sys ...
... subendocardium (ENDO; red) versus subepicardium (EPI; gold) to ischemia reflects the fact that autoregulation is exhausted at a higher coronary pressure (40 versus 25 mm Hg). This is the result of increased resting flow and oxygen consumption in the subendocardium and an increased sensitivity to sys ...
Glucagon-like Peptide 1 Can Directly Protect the Heart Against
... protect against apoptosis in several cell types other than myocardial (4 – 6). In isolated cardiac myocytes, GLP-1 has also been shown to elevate cAMP in addition to demonstrating chronotropic effects (7). Furthermore, in vivo experiments (8,9) have also shown elevated blood pressure and heart rate ...
... protect against apoptosis in several cell types other than myocardial (4 – 6). In isolated cardiac myocytes, GLP-1 has also been shown to elevate cAMP in addition to demonstrating chronotropic effects (7). Furthermore, in vivo experiments (8,9) have also shown elevated blood pressure and heart rate ...
Penetrating Trauma to the Cardiac Region
... • Without right sided pneumothorax or hemothorax, echo sensitivity 100%, specificity 89% • Echo is reliable if no right pneumo or hemothorax ...
... • Without right sided pneumothorax or hemothorax, echo sensitivity 100%, specificity 89% • Echo is reliable if no right pneumo or hemothorax ...
SYANIDE Knowledge of the pathophysiology of acute cyanide
... empirically, without full knowledge of the patient’s underlying health status or complicating factors. The available antidotes are discussed in detail in the following section. Additional supportive care includes controlling seizures with anticonvulsants, cardiac monitoring to evaluate and treat dys ...
... empirically, without full knowledge of the patient’s underlying health status or complicating factors. The available antidotes are discussed in detail in the following section. Additional supportive care includes controlling seizures with anticonvulsants, cardiac monitoring to evaluate and treat dys ...
radiological aspects of pulmonary atresia with intact ventricular septum
... portion of the left atrium (Fig. 3A). The main bolus then appears to course around the wall of the left atrium, describing the arc of a circle, until it reaches the mitral valve. The left atrial appendage also shares in this enlargement, and this structure was prominent and filled with contrast in f ...
... portion of the left atrium (Fig. 3A). The main bolus then appears to course around the wall of the left atrium, describing the arc of a circle, until it reaches the mitral valve. The left atrial appendage also shares in this enlargement, and this structure was prominent and filled with contrast in f ...
Branches of this artery as I said when it reaches to
... the right coronary artery over here the heart in this case of this picture is straight forward it isn’t in claim so you will see the left and the right one &this is circumflex & this LAD artery (left anterior descending artery ),and that the right coronary artery & this is the marginal artery ,obser ...
... the right coronary artery over here the heart in this case of this picture is straight forward it isn’t in claim so you will see the left and the right one &this is circumflex & this LAD artery (left anterior descending artery ),and that the right coronary artery & this is the marginal artery ,obser ...
Three-Dimensional Transthoracic Echocardiography
... apical four-chamber view) with color-flow Doppler shows severe tricuspid regurgitation (TR). B) Three-dimensional transthoracic echocardiography from the right atrial side shows entrapment of the posterior tricuspid leaflet (PL) by the implantable cardioverterdefibrillator lead (*), with normal moti ...
... apical four-chamber view) with color-flow Doppler shows severe tricuspid regurgitation (TR). B) Three-dimensional transthoracic echocardiography from the right atrial side shows entrapment of the posterior tricuspid leaflet (PL) by the implantable cardioverterdefibrillator lead (*), with normal moti ...
Screening for Cardiovascular Disease and Risk Factors
... pathophysiological process and thus confer cardiovascular protection. Also, since many cardiovascular events share the same etiology, assessing and treating a patient’s overall cardiovascular risk should be emphasized rather than treating risk factors in isolation. Appropriate screening of asymptoma ...
... pathophysiological process and thus confer cardiovascular protection. Also, since many cardiovascular events share the same etiology, assessing and treating a patient’s overall cardiovascular risk should be emphasized rather than treating risk factors in isolation. Appropriate screening of asymptoma ...
Ghsy4y\y45y45y5
... 1. Role of Raised [K+]o in Inducing Period-2 Rhythms in the Ischemic Ventricle We use a single intervention to model the electrophysiological effect of ischemia a rise in [K+]o. Period-2 rhythms occur when [K+]o is ~13 mM (Figs. 2,7B). In the pig ventricle, alternans has been detected 39 mins pos ...
... 1. Role of Raised [K+]o in Inducing Period-2 Rhythms in the Ischemic Ventricle We use a single intervention to model the electrophysiological effect of ischemia a rise in [K+]o. Period-2 rhythms occur when [K+]o is ~13 mM (Figs. 2,7B). In the pig ventricle, alternans has been detected 39 mins pos ...
PDF
... Luciferase activities were analyzed using a Dual Luciferase Reporter Assay System (Promega). Fold activation was calculated relative to reporter baseline activities, and data presented as mean ± one s.d. P-values were determined using Student’s t-test. ...
... Luciferase activities were analyzed using a Dual Luciferase Reporter Assay System (Promega). Fold activation was calculated relative to reporter baseline activities, and data presented as mean ± one s.d. P-values were determined using Student’s t-test. ...
Hereditary risk factors for the development of gastric cancer in
... This case control study demonstrates that hereditary factors, especially familial history of cancer and possession of blood group O, are associated with the development of gastric cancer under the age of fifty. To our knowledge, this may be the first study showing a correlation between blood group O ...
... This case control study demonstrates that hereditary factors, especially familial history of cancer and possession of blood group O, are associated with the development of gastric cancer under the age of fifty. To our knowledge, this may be the first study showing a correlation between blood group O ...
Effects of Testosterone on Coronary Vasomotor Regulation in Men
... A 3-minute intracoronary infusion of vehicle control (ethanol) was given, followed by investigation of endothelium-dependent coronary responses by increasing concentrations of intracoronary acetylcholine (estimated concentrations, 1027 to 1025 mol/L) for 2 minutes each or until peak velocity respons ...
... A 3-minute intracoronary infusion of vehicle control (ethanol) was given, followed by investigation of endothelium-dependent coronary responses by increasing concentrations of intracoronary acetylcholine (estimated concentrations, 1027 to 1025 mol/L) for 2 minutes each or until peak velocity respons ...
10th Belgian heart rhythm meeting Arrhythmias for every Cardiologist
... Special rates are negotiated at the Sheraton Brussels Airport Hotel for the nights of 5th and 6th October 2016: Single room € 225 - Double room € 245 (price per night including buffet breakfast). To benefit from these rates, reservation must be made with the BHRM Organising Secretariat before Monday ...
... Special rates are negotiated at the Sheraton Brussels Airport Hotel for the nights of 5th and 6th October 2016: Single room € 225 - Double room € 245 (price per night including buffet breakfast). To benefit from these rates, reservation must be made with the BHRM Organising Secretariat before Monday ...
VENTRICULAR BRADYCARDIA I
... eXample, the current devices perform ventricular pacing, but if retrograde conduction occurs the patient has a relatively high risk—40% or more—of developing atrial ?brillation. In contrast, patients Who are experiencing constant atrial stimulation along With the ventricular pacing have a much loWer ...
... eXample, the current devices perform ventricular pacing, but if retrograde conduction occurs the patient has a relatively high risk—40% or more—of developing atrial ?brillation. In contrast, patients Who are experiencing constant atrial stimulation along With the ventricular pacing have a much loWer ...
Evaluation of the Role of IKACh in Atrial Fibrillation Using a Mouse
... products were visualized by gel electrophoresis (2% agarose) followed by ethidium bromide staining. ...
... products were visualized by gel electrophoresis (2% agarose) followed by ethidium bromide staining. ...
9 Complications Associated with Spinal Anesthesia
... In the early days of spinal anesthesia, it was claimed to be a very safe method of anesthesia and was used successfully even in operations on the head, neck, and thorax, with low mortality.2 After initial great popularity, some tragic events occurred with spinal anesthesia, at a time when major adva ...
... In the early days of spinal anesthesia, it was claimed to be a very safe method of anesthesia and was used successfully even in operations on the head, neck, and thorax, with low mortality.2 After initial great popularity, some tragic events occurred with spinal anesthesia, at a time when major adva ...
T wave alternans in experimental myocardial infarction: Time course
... Twenty three experimental animals comprised the study group. One pig was lost due to unsuccessful resuscitation after ventricular fibrillation during the occlusion period. In one more animal, TWA could not been assessed due to a poor signal quality. TWA was therefore calculated in 21 pigs. Indexes o ...
... Twenty three experimental animals comprised the study group. One pig was lost due to unsuccessful resuscitation after ventricular fibrillation during the occlusion period. In one more animal, TWA could not been assessed due to a poor signal quality. TWA was therefore calculated in 21 pigs. Indexes o ...
Alterations in the Interactome of Serine/Threonine Protein
... PPP1R2 were consistently the most highly PP1c-bound R-subunits between mouse and human. Conversely, we did not detect PPP1R1A (or protein inhibitor-1 [I-1]) binding to PP1c, most likely because of its low abundance in the heart (13) and/or the fact that I-1 only interacts with PP1c when it is phosph ...
... PPP1R2 were consistently the most highly PP1c-bound R-subunits between mouse and human. Conversely, we did not detect PPP1R1A (or protein inhibitor-1 [I-1]) binding to PP1c, most likely because of its low abundance in the heart (13) and/or the fact that I-1 only interacts with PP1c when it is phosph ...
Thiopental
... of 100 mg/min with the patient counting backwards from 100. Shortly after counting becomes confused but before actual sleep is produced, the injection is discontinued. Allow the patient to return to a semidrowsy state where conversation is coherent. Alternatively, thiopental may be administered by r ...
... of 100 mg/min with the patient counting backwards from 100. Shortly after counting becomes confused but before actual sleep is produced, the injection is discontinued. Allow the patient to return to a semidrowsy state where conversation is coherent. Alternatively, thiopental may be administered by r ...
clinical value of unipolar chest and limb leads
... main initial deflection to be recorded in health. When the impulse reaches the surface ofthe ventricle, a negative charge is reflected to the surface of the body, and a negative downward deflection, called the intrinsic deflection by Lewis, occurs. Whether or not this downward deflection is prolonge ...
... main initial deflection to be recorded in health. When the impulse reaches the surface ofthe ventricle, a negative charge is reflected to the surface of the body, and a negative downward deflection, called the intrinsic deflection by Lewis, occurs. Whether or not this downward deflection is prolonge ...
Print - Circulation Research
... period. The effect of graded increases in resting tension on isometric developed tensions was determined. Gas perfusion was then begun and the procedure repeated as soon as contractile force became stable (5 to 15 min). Figure 5 shows the relationship of resting tension to developed tension, both ex ...
... period. The effect of graded increases in resting tension on isometric developed tensions was determined. Gas perfusion was then begun and the procedure repeated as soon as contractile force became stable (5 to 15 min). Figure 5 shows the relationship of resting tension to developed tension, both ex ...
Lead I
... Â Over 90% of the heart's electric activity can be explained with the dipole source model (Geselowitz, 1964). To evaluate this dipole, it is sufficient to measure its three independent components. In principle, two of the limb leads (I, II, III) could reflect the frontal plane components, whereas on ...
... Â Over 90% of the heart's electric activity can be explained with the dipole source model (Geselowitz, 1964). To evaluate this dipole, it is sufficient to measure its three independent components. In principle, two of the limb leads (I, II, III) could reflect the frontal plane components, whereas on ...
AACE Guidelines
... developed statements to assist health care professionals in medical decision-making for specific clinical conditions, but are in no way a substitute for a medical professional’s independent judgment and should not be considered medical advice. Most of the content herein is based on literature review ...
... developed statements to assist health care professionals in medical decision-making for specific clinical conditions, but are in no way a substitute for a medical professional’s independent judgment and should not be considered medical advice. Most of the content herein is based on literature review ...