Cardio II
... a. T-tubules - Extracellular calcium will enter the myocyte via the T-tubules b. Ryanodine receptor - The SR Calcium release channel c. L-type Ca++ channel (dihydropyridine receptor) - Voltage-gated Ca channel on the T-tubule that lets calcium in when stimulated by an action potential d. Intracellul ...
... a. T-tubules - Extracellular calcium will enter the myocyte via the T-tubules b. Ryanodine receptor - The SR Calcium release channel c. L-type Ca++ channel (dihydropyridine receptor) - Voltage-gated Ca channel on the T-tubule that lets calcium in when stimulated by an action potential d. Intracellul ...
Relationship of heart rate and electrocardiographic
... Small equine breeds undergoing routine ECG recordings have slightly faster heart rates and shorter ECG time intervals compared to larger equine breeds. Although the magnitude of absolute differences may be small, body weight needs to be considered among other factors when comparing HR and ECG time i ...
... Small equine breeds undergoing routine ECG recordings have slightly faster heart rates and shorter ECG time intervals compared to larger equine breeds. Although the magnitude of absolute differences may be small, body weight needs to be considered among other factors when comparing HR and ECG time i ...
JAOK HAN, MD, PH.D.
... coronary occlusion between his and Dr. Scherlag's studies1' 2 was very different. Moreover, although interpretation of Dr. Scherlag's paper is complicated when evaluating the results following the very fastpaced heart rates, Dr. Han neglects to mention another phase of the study in which these inves ...
... coronary occlusion between his and Dr. Scherlag's studies1' 2 was very different. Moreover, although interpretation of Dr. Scherlag's paper is complicated when evaluating the results following the very fastpaced heart rates, Dr. Han neglects to mention another phase of the study in which these inves ...
The Heart
... Intracoronary stent placement: stents are wire devices that hold blood vessel open after angioplasty; can prevent re-occlusion of blood vessel. ...
... Intracoronary stent placement: stents are wire devices that hold blood vessel open after angioplasty; can prevent re-occlusion of blood vessel. ...
Atrial fibrillation is a heart condition that causes an irregular and
... A normal heart rate should be between 60 and 100 beats a minute when you're resting, and is regular. You can measure your heart rate by feeling the pulse in your wrist or neck. In atrial fibrillation, the heart rate may be over 140 beats a minute, although it can be any speed. The main difference be ...
... A normal heart rate should be between 60 and 100 beats a minute when you're resting, and is regular. You can measure your heart rate by feeling the pulse in your wrist or neck. In atrial fibrillation, the heart rate may be over 140 beats a minute, although it can be any speed. The main difference be ...
Supraventricular tachycardia from a left bundle
... Wolff-Parkinson-White syndrome (WPW) is an electrocardiographic diagnosis based on a short PR interval with the presence of a delta wave, but it can mimic a variety of electrocardiographic conditions. We present a 6 year old Saudi female whose WPW was easily mistaken as a left bundle branch block. W ...
... Wolff-Parkinson-White syndrome (WPW) is an electrocardiographic diagnosis based on a short PR interval with the presence of a delta wave, but it can mimic a variety of electrocardiographic conditions. We present a 6 year old Saudi female whose WPW was easily mistaken as a left bundle branch block. W ...
Chapter 14
... by the pressure inside the chest. The output of the heart is reduced and stroke volume falls. This occurs from 5 to about 14 seconds in the illustration. The fall in stroke volume reflexively causes blood vessels to constrict with some rise in pressure (15 to 20 seconds). This compensation can be qu ...
... by the pressure inside the chest. The output of the heart is reduced and stroke volume falls. This occurs from 5 to about 14 seconds in the illustration. The fall in stroke volume reflexively causes blood vessels to constrict with some rise in pressure (15 to 20 seconds). This compensation can be qu ...
CorePace #3 - Basic Concepts
... • The “ring” electrode on a bipolar lead • The IPG case on a unipolar system ...
... • The “ring” electrode on a bipolar lead • The IPG case on a unipolar system ...
CorePace #3 - Basic Concepts
... • The “ring” electrode on a bipolar lead • The IPG case on a unipolar system ...
... • The “ring” electrode on a bipolar lead • The IPG case on a unipolar system ...
Primary Results from the SMART AV DELAY Trial: A Randomized
... • The change in LVESV for the SD arm was no different than either the Echo or Fixed arms. • There were no significant differences in the secondary structural or functional endpoints by optimization group. • Patients with a wide QRS duration, LBBB, non-ischemic cardiomyopathy, and female gender respo ...
... • The change in LVESV for the SD arm was no different than either the Echo or Fixed arms. • There were no significant differences in the secondary structural or functional endpoints by optimization group. • Patients with a wide QRS duration, LBBB, non-ischemic cardiomyopathy, and female gender respo ...
4.4.1.P UnblockVesselsF
... 1. Visit the Public Broadcasting Service website for the science television show NOVA and examine the pictures of hearts following events called myocardial infarctions, or heart attacks. The site is available at: http://www.pbs.org/wgbh/nova/heart/troubled.html. In your laboratory journal, take note ...
... 1. Visit the Public Broadcasting Service website for the science television show NOVA and examine the pictures of hearts following events called myocardial infarctions, or heart attacks. The site is available at: http://www.pbs.org/wgbh/nova/heart/troubled.html. In your laboratory journal, take note ...
How to reduce dose in Cardio CT SOMATOM Definition Flash syngo
... window can be extended to the systolic part of the cardiac cycle enabling scans for patients with an heart rate up to 90 bpm. The variability should not exceed 5 bpm. ECG pulsing is also possible, allowing a functional evaluation based on sequence data. The stack overlap is fixed to 10% in a 3D Sequ ...
... window can be extended to the systolic part of the cardiac cycle enabling scans for patients with an heart rate up to 90 bpm. The variability should not exceed 5 bpm. ECG pulsing is also possible, allowing a functional evaluation based on sequence data. The stack overlap is fixed to 10% in a 3D Sequ ...
provisional programme
... restrictive (rare). Dilated cardiomyopathy would be suspected in a patient presenting with heart failure who did not have a previous history of angina or myocardial infarction. When angiograms are performed, at least 60% of such patients are found to have “silent” coronary disease (ie previously und ...
... restrictive (rare). Dilated cardiomyopathy would be suspected in a patient presenting with heart failure who did not have a previous history of angina or myocardial infarction. When angiograms are performed, at least 60% of such patients are found to have “silent” coronary disease (ie previously und ...
INTRODUCTORY LAB REPORT
... PART 4: THE EFFECTS OF EXERCISE (7 points) 14. Expt. 10: Include a copy of Table 3 from the “Blood Pressure” lab. (B) From what you have learned in class and in your reading, describe the physiologic mechanisms that brought about the observed changes in MAP, HR, SV, and PR. Explain your reasoning, u ...
... PART 4: THE EFFECTS OF EXERCISE (7 points) 14. Expt. 10: Include a copy of Table 3 from the “Blood Pressure” lab. (B) From what you have learned in class and in your reading, describe the physiologic mechanisms that brought about the observed changes in MAP, HR, SV, and PR. Explain your reasoning, u ...
CH20 Page 1-2 - Pharmacotherapy
... • Diuretic use • Multiple QTc-prolonging drugs (eg, erythromycin and amiodarone) 1.b. What features of the patient’s electrocardiogram (ECG) are characteristic of TdP? • TdP on an ECG or a rhythm strip shows a polymorphic ventricular tachycardia, with the QRS axis appearing to twist around an im ...
... • Diuretic use • Multiple QTc-prolonging drugs (eg, erythromycin and amiodarone) 1.b. What features of the patient’s electrocardiogram (ECG) are characteristic of TdP? • TdP on an ECG or a rhythm strip shows a polymorphic ventricular tachycardia, with the QRS axis appearing to twist around an im ...
Atrial Fibrillation Handout
... Atrial fibrillation of any cause accounts for about 45% of cardiogenic thromboembolic events. In the setting of Rheumatic Heart Disease the risk of stroke is increased 17-18 fold. In the setting of non-rheumatic valvular disease it is 5-6 fold increased. Most strokes are: Clustered around the onset ...
... Atrial fibrillation of any cause accounts for about 45% of cardiogenic thromboembolic events. In the setting of Rheumatic Heart Disease the risk of stroke is increased 17-18 fold. In the setting of non-rheumatic valvular disease it is 5-6 fold increased. Most strokes are: Clustered around the onset ...
Practical Management of Asymptomatic PVC
... • Risk of Sudden Cardiac Death from malignant ventricular arrhythmia should be considered in patients with heart disease who have frequent VEBs. Implantable cardioverter‐defibrillator may be indicated if risk stratification criteria are met. • VEBs have also been shown to trigger malignant vent ...
... • Risk of Sudden Cardiac Death from malignant ventricular arrhythmia should be considered in patients with heart disease who have frequent VEBs. Implantable cardioverter‐defibrillator may be indicated if risk stratification criteria are met. • VEBs have also been shown to trigger malignant vent ...
Bioscience Explained | Vol 1 | Nr 1
... (usually over 15 or 30 seconds). This method is fast and easy but it is impossible to get continuous measurements of the rate and it will only give information about the average heart rate (every 15 or 30 seconds). To obtain more detailed information about the heart rate and changes induced by diffe ...
... (usually over 15 or 30 seconds). This method is fast and easy but it is impossible to get continuous measurements of the rate and it will only give information about the average heart rate (every 15 or 30 seconds). To obtain more detailed information about the heart rate and changes induced by diffe ...
Icd 10 code for congestive heart failure with preserved ejection fraction
... preserved left ventricular ejection fraction (HFpEF). INTRODUCTION. Heart failure with preserved ejection fraction (HFpEF) is a clinical syndrome in which patients have symptoms and signs of HF with normal or near normal. Congestive heart failure occurs when the cardiac output is not adequate enough ...
... preserved left ventricular ejection fraction (HFpEF). INTRODUCTION. Heart failure with preserved ejection fraction (HFpEF) is a clinical syndrome in which patients have symptoms and signs of HF with normal or near normal. Congestive heart failure occurs when the cardiac output is not adequate enough ...
Figure 1 Figure 2 Introduction: Before beginning this activity, let`s
... 1. Insert your dissecting scissors into the superior vena cava and make an incision down through the wall of the right atrium and ventricle, as shown by the dotted line in the external heart picture. Pull the two sides apart and look for three flaps of membrane. These membranes form the tricuspid va ...
... 1. Insert your dissecting scissors into the superior vena cava and make an incision down through the wall of the right atrium and ventricle, as shown by the dotted line in the external heart picture. Pull the two sides apart and look for three flaps of membrane. These membranes form the tricuspid va ...
Inappropriate Sinus Tachycardia Diagnosed and Treated as
... patients with tachycardia (2), causing the IST to be misdiagnosed as an emotional problem or mental illness such as depression, as in the present case. Because the symptoms associated with those emotional and psychiatric problems sometimes resemble those associated with IST, IST can be difficult to ...
... patients with tachycardia (2), causing the IST to be misdiagnosed as an emotional problem or mental illness such as depression, as in the present case. Because the symptoms associated with those emotional and psychiatric problems sometimes resemble those associated with IST, IST can be difficult to ...
The Autonomic Nervous System and Cardiovascular Health and
... likely under-reported, appears to have the highest ...
... likely under-reported, appears to have the highest ...
Course Outline Template Word Document
... Discuss the historical perspective of pulmonary rehabilitation. List five essential components of a pulmonary rehabilitation program. Describe the patient selection process for a pulmonary rehabilitation program. Describe modalities of treatment for the pulmonary rehabilitation client: a. Smoking ce ...
... Discuss the historical perspective of pulmonary rehabilitation. List five essential components of a pulmonary rehabilitation program. Describe the patient selection process for a pulmonary rehabilitation program. Describe modalities of treatment for the pulmonary rehabilitation client: a. Smoking ce ...
short communication the heart rate variability signal in rainbow trout
... spectral peaks. This contrasts with the report by Armstrong et al. (1989a) of only one HRVS spectral peak in pike (Esox lucius) and brown trout (Salmo trutta). In view of the extensive data set in this study we conclude that two spectral peaks are a normal feature of the HRVS in rainbow trout. The o ...
... spectral peaks. This contrasts with the report by Armstrong et al. (1989a) of only one HRVS spectral peak in pike (Esox lucius) and brown trout (Salmo trutta). In view of the extensive data set in this study we conclude that two spectral peaks are a normal feature of the HRVS in rainbow trout. The o ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.