I. Cardiac cycle A. Consists of one beat, or one P-QRS
... (1) Varies according to heart rate, influence of medications, and other factors (2) Should not be greater than half the distance between two regular R waves 3. Abnormal: a) Long - indicates that ventricular repolarization time has slowed, which means that the relative refractory period (the vulnerab ...
... (1) Varies according to heart rate, influence of medications, and other factors (2) Should not be greater than half the distance between two regular R waves 3. Abnormal: a) Long - indicates that ventricular repolarization time has slowed, which means that the relative refractory period (the vulnerab ...
2016 Chest Guidelines - Dr Kirtland`s Hand out
... 2. No contraindications such as recent bleeding, severe renal or liver disease or severe thrombocytopenia (<70K) 3. Expected to be compliant with treatment 4. Patient feels well enough to be treated at home 5. Absence of right ventricular dysfunction or increased cardiac biomarker levels should disc ...
... 2. No contraindications such as recent bleeding, severe renal or liver disease or severe thrombocytopenia (<70K) 3. Expected to be compliant with treatment 4. Patient feels well enough to be treated at home 5. Absence of right ventricular dysfunction or increased cardiac biomarker levels should disc ...
Faculty PBL IV
... proteins on the basis of size and charge. The three isoenzyme are essentially of the same size, so their separation would be based primarily on charge. BB isozymes being the most anodic would carry a net negative charge on the molecule whereas MM enzyme being least anodic or cathodic might carry a n ...
... proteins on the basis of size and charge. The three isoenzyme are essentially of the same size, so their separation would be based primarily on charge. BB isozymes being the most anodic would carry a net negative charge on the molecule whereas MM enzyme being least anodic or cathodic might carry a n ...
Labile Hypertension: A Faulty Concept?
... Systolic and diastolic pressures were obtained using a mercury sphygmomanometer with a 14-cm cuff long enough to fit the most obese arm. The subject was seated and the left arm was used. Recommendations of the American and British Heart Associations were followed.5 Palpation was used to check auscul ...
... Systolic and diastolic pressures were obtained using a mercury sphygmomanometer with a 14-cm cuff long enough to fit the most obese arm. The subject was seated and the left arm was used. Recommendations of the American and British Heart Associations were followed.5 Palpation was used to check auscul ...
Document
... Emergency Department treatment (with OB /MICU consultation as needed); antihypertensive therapy is suggested for women with persistent postpartum hypertension, SBP > 150 or DBP > 100 on at least two occasions that are at least 4 hours apart. Persistent SBP > 160 or DBP > 110 should be ...
... Emergency Department treatment (with OB /MICU consultation as needed); antihypertensive therapy is suggested for women with persistent postpartum hypertension, SBP > 150 or DBP > 100 on at least two occasions that are at least 4 hours apart. Persistent SBP > 160 or DBP > 110 should be ...
Case Report Ventricular Septal Defect in an Octogenarian
... The present case is the first surgically treated case for VSD concomitant with coronary and valvular diseases in an octogenarian. The natural history of VSDs is largely dependent on the size and location of the defect and the downstream pulmonary vascular resistance [4]. Thus, patients with large VS ...
... The present case is the first surgically treated case for VSD concomitant with coronary and valvular diseases in an octogenarian. The natural history of VSDs is largely dependent on the size and location of the defect and the downstream pulmonary vascular resistance [4]. Thus, patients with large VS ...
Unit One: Introduction to Physiology: The Cell and General Physiology
... Flow of Current Around the Heart During the Cardiac Cycle ...
... Flow of Current Around the Heart During the Cardiac Cycle ...
Heart Functions: the MEA and the Frank Starling Law of the heart 2/14
... in the heart. • Einthoven’s Triangle: represents an equilateral triangle at the center of chest. (remember the heart is shifted slight to left side) • Dead heart tissue does not depolarize • ECG Changes: Large R-wave becomes a small R-wave • ECG leads can identify exact spot on heart where infarct o ...
... in the heart. • Einthoven’s Triangle: represents an equilateral triangle at the center of chest. (remember the heart is shifted slight to left side) • Dead heart tissue does not depolarize • ECG Changes: Large R-wave becomes a small R-wave • ECG leads can identify exact spot on heart where infarct o ...
Factors Influencing Prolonged ICU Stay After Open Heart Surgery
... Background: There are different risk factors that affect the intensive care unit (ICU) stay after cardiac surgery. Objectives: The aim of this study was to evaluate possible risk factors influencing prolonged ICU stay in a large referral hospital. Patients and Methods: We conducted a case-control st ...
... Background: There are different risk factors that affect the intensive care unit (ICU) stay after cardiac surgery. Objectives: The aim of this study was to evaluate possible risk factors influencing prolonged ICU stay in a large referral hospital. Patients and Methods: We conducted a case-control st ...
18 - Britton-Hecla School District / Homepage
... ◦ Parietal layer lines the internal surface of the fibrous pericardium ◦ Visceral layer (epicardium) on external surface of the heart ◦ Separated by fluid-filled pericardial cavity (decreases friction) ...
... ◦ Parietal layer lines the internal surface of the fibrous pericardium ◦ Visceral layer (epicardium) on external surface of the heart ◦ Separated by fluid-filled pericardial cavity (decreases friction) ...
Congenital Aortic Stenosis in Children
... 3. Treatment of AS 3.1. Fetal and neonatal AS If the patients have an established HLHS circulation with an underdeveloped LV, all the treatment options are directed to the future completion of the Fontan circulation, a final goal for patients with single ventricular circulation. However, if the LV s ...
... 3. Treatment of AS 3.1. Fetal and neonatal AS If the patients have an established HLHS circulation with an underdeveloped LV, all the treatment options are directed to the future completion of the Fontan circulation, a final goal for patients with single ventricular circulation. However, if the LV s ...
Flow-generating capability of the isolated skeletal muscle pump
... sure in the dependent legs, thereby harnessing the persistent arterial hydrostatic pressure to assist the left ventricle in driving flow through the microcirculation of skeletal muscle (7). Second, at the onset of exercise, muscle contraction transfers blood volume from muscle veins to the central c ...
... sure in the dependent legs, thereby harnessing the persistent arterial hydrostatic pressure to assist the left ventricle in driving flow through the microcirculation of skeletal muscle (7). Second, at the onset of exercise, muscle contraction transfers blood volume from muscle veins to the central c ...
an Echocardiography Casebook Example
... detected on twodimensional analysis. This is commonly seen in patients with SAS and is best appreciated in the left parasternal cranial left ventricular outflow view (1). Assessment of the interventricular septum (IVS) and left ventricular free wall (LVW) are determined using twodimensional an ...
... detected on twodimensional analysis. This is commonly seen in patients with SAS and is best appreciated in the left parasternal cranial left ventricular outflow view (1). Assessment of the interventricular septum (IVS) and left ventricular free wall (LVW) are determined using twodimensional an ...
Chest and Abdomen Advanced Imaging
... diagnostic images, both lungs should be included on the image. For possible fluid in the pleural cavity (pleural effusion), the suspected side should be down. Do not cut off that side of the chest. The anatomic side marker must correspond with the patient's left or right side of the body. The marker ...
... diagnostic images, both lungs should be included on the image. For possible fluid in the pleural cavity (pleural effusion), the suspected side should be down. Do not cut off that side of the chest. The anatomic side marker must correspond with the patient's left or right side of the body. The marker ...
The Construction of a Volumetric Cardiac Model for Real-time ECG Simulation
... The electrocardiograph is one of the most useful diagnostic medical devices ever created. It offers a real-time non-invasive technique for monitoring cardiac activity. Figure 1 illustrates the heart’s electrical conduction system and also describes the typical arrangement of the 3 standard ECG leads ...
... The electrocardiograph is one of the most useful diagnostic medical devices ever created. It offers a real-time non-invasive technique for monitoring cardiac activity. Figure 1 illustrates the heart’s electrical conduction system and also describes the typical arrangement of the 3 standard ECG leads ...
File
... 30. ____________________= joining of two blood vessels to allow flow from one to the other 31. ____________________= abnormal heart sound that mimics the gait of a horse 32. ____________________ cardiogram = a recording of sound waves directed through the heart to evaluate structure and motion 33. c ...
... 30. ____________________= joining of two blood vessels to allow flow from one to the other 31. ____________________= abnormal heart sound that mimics the gait of a horse 32. ____________________ cardiogram = a recording of sound waves directed through the heart to evaluate structure and motion 33. c ...
Factors Influencing Prolonged ICU Stay After
... Background: There are different risk factors that affect the intensive care unit (ICU) stay after cardiac surgery. Objectives: The aim of this study was to evaluate possible risk factors influencing prolonged ICU stay in a large referral hospital. Patients and Methods: We conducted a case-control st ...
... Background: There are different risk factors that affect the intensive care unit (ICU) stay after cardiac surgery. Objectives: The aim of this study was to evaluate possible risk factors influencing prolonged ICU stay in a large referral hospital. Patients and Methods: We conducted a case-control st ...
The Cardiovascular System
... • A blood vessel that carries blood away from the heart is an artery. Arteries have thick walls, which contain a layer of smooth muscle. Each heartbeat pumps blood into your arteries at high pressure. This pressure is your blood pressure. Artery walls stretch and are usually strong enough to stand t ...
... • A blood vessel that carries blood away from the heart is an artery. Arteries have thick walls, which contain a layer of smooth muscle. Each heartbeat pumps blood into your arteries at high pressure. This pressure is your blood pressure. Artery walls stretch and are usually strong enough to stand t ...
PDF - Herbert Publications
... SA nodal reentrant tachycardia or SANRT is an uncommon arrhythmia, that usually occurs in patients with structural heart disease [1]. In patients referred for electrophysiologic studies due to Electrocardiogram (EKG) showing a supraventricular tachycardia (SVT), SANRT comprises from 2 to 17 percent ...
... SA nodal reentrant tachycardia or SANRT is an uncommon arrhythmia, that usually occurs in patients with structural heart disease [1]. In patients referred for electrophysiologic studies due to Electrocardiogram (EKG) showing a supraventricular tachycardia (SVT), SANRT comprises from 2 to 17 percent ...
What is Dilated Cardiomyopathy (DCM
... Dilated Cardiomyopathy is a disease of the heart muscle which causes the muscle wall to become weaker. This means that the heart is unable to pump effectively, and so more blood remains in the heart chambers causing them to become enlarged, or dilated. Eventually the heart will go into failure. Are ...
... Dilated Cardiomyopathy is a disease of the heart muscle which causes the muscle wall to become weaker. This means that the heart is unable to pump effectively, and so more blood remains in the heart chambers causing them to become enlarged, or dilated. Eventually the heart will go into failure. Are ...
AED Frequently Asked Questions (FAQ`s)
... videos that reflect a variety of situations. Each participant receives a skills card for use during in-class practice sessions. The skills cards can also aid in retaining skills after completing the course and serves as a quick reference tool in an emergency. Who can use an AED? In most cases, EMTs ...
... videos that reflect a variety of situations. Each participant receives a skills card for use during in-class practice sessions. The skills cards can also aid in retaining skills after completing the course and serves as a quick reference tool in an emergency. Who can use an AED? In most cases, EMTs ...
Computed Tomography Features of Left Ventricular
... Less is written about the role of CTA in the detection of this entity. Some authors argue that CTA is of limited role and suggest that due to less availability and higher cost, it should not be considered as the first line imaging method (12). However, we do not agree with this comment. As in our ca ...
... Less is written about the role of CTA in the detection of this entity. Some authors argue that CTA is of limited role and suggest that due to less availability and higher cost, it should not be considered as the first line imaging method (12). However, we do not agree with this comment. As in our ca ...
Non-Invasive Transcutaneous Pacing
... Clinicians must not rely solely on the defibrillator’s classification of beats as intrinsic or paced to determine electrical capture. Consider the situation where the patient's intrinsic HR is 62, and the pacer is set at a rate of 60. Since the two rates are very close, pacer spikes and intrinsic be ...
... Clinicians must not rely solely on the defibrillator’s classification of beats as intrinsic or paced to determine electrical capture. Consider the situation where the patient's intrinsic HR is 62, and the pacer is set at a rate of 60. Since the two rates are very close, pacer spikes and intrinsic be ...
EXTERNAL PACEMAKER By Pat Hock, RN
... battery, low output setting, or an increase in the pacing threshold because of edema or scarring. Failure to sense occurs when the pacemaker fails to detect native rhythm. Nursing assessment of a pacemaker should include that pacer settings are reflective of current orders. The pacemaker needs to be ...
... battery, low output setting, or an increase in the pacing threshold because of edema or scarring. Failure to sense occurs when the pacemaker fails to detect native rhythm. Nursing assessment of a pacemaker should include that pacer settings are reflective of current orders. The pacemaker needs to be ...