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Strength of Evidence = A
Strength of Evidence = A

... » Decreased O2 demand  Decreased afterload leads to increased cardiac output ...
Second degree heart block
Second degree heart block

... infused at 10-60 ml/hr may help to maintain the circulation until temporary pacemaker inserted . External (transcutaneous) pacing can provide effective temporary rhythm support . Chronic AV block Patient with symptomatic bradyarrhythmias associated with AV block should receive a permanent pacemaker ...
Choosing Wisely - The Annals of Thoracic Surgery
Choosing Wisely - The Annals of Thoracic Surgery

... bypass graft surgery recommended carotid artery screening to reduce neurologic complications in a subset of higher risk patients. In addition, a recent consensus report from the United Kingdom questioned whether neurologic sequellae developing in cardiac surgery patients with asymptomatic carotid di ...
Myocardial contraction fraction: Ideas for analysis
Myocardial contraction fraction: Ideas for analysis

... and increased myocardial mass that results in a  reduction in EDV • Thus, despite declines in SV that accompany  disease progression, the ejection fraction (EF)  remains ‘‘normal’’ or ‘‘preserved’’ even in  advanced stages because of progressive reductions  in ventricular chamber capacitance • MCF s ...
Left ventricular hypertrophy in aortic valve stenosis: friend or foe?
Left ventricular hypertrophy in aortic valve stenosis: friend or foe?

... should also be intensively treated, despite the fact that statins will not slow valve disease progression.26 27 After valve replacement, pharmacological treatment should not be discontinued, as vasodilators may accelerate favourable reverse remodelling.28 Of particular controversy is how the degree ...
Cognitive disorders in elderly patients with permanent atrial fibrillation
Cognitive disorders in elderly patients with permanent atrial fibrillation

... deficits have tomographic signs of one or more silent cerebral infarcts. Aim: To investigate whether cognitive function in patients with permanent AF is significantly worse than in patients with sinus rhythm. Methods: We included subjects aged > 65 years, without previous cerebrovascular events or d ...
Nursing 220: Pharmacology Module II: Cardiovascular Drugs
Nursing 220: Pharmacology Module II: Cardiovascular Drugs

... • Acute coronary thrombosis (acute MI) • Deep venous thrombosis (DVT) • Massive pulmonary emboli • Plugged AV shunt, central lines ...
diagnosis and treatment of feline hcm
diagnosis and treatment of feline hcm

... There are authors who use β blockers such as atenolol, especially in cats with LVOTO (left ventricular outflow tract obstruction) with a gradient > 50mmHg and especially at risk of sinus tachycardia and normal left atrial function. It is recommended to start with low doses (6.25 mg / cat / 12 h PO) ...
Cardiac - CMA`s English Mastiffs
Cardiac - CMA`s English Mastiffs

... transmitted from parents to offspring; however, the exact modes of inheritance have not been precisely determined for all cardiovascular malformations. ...
Size: 3 MB
Size: 3 MB

... • The Purkinje fibres and the other specialised automatic and conducting tissues in atria and ventricle are more sensitive to cardiac glycosides. • The resting membrane potential (RMP) of all these tissues is progressively reversed, i.e. • More towards automaticity ...
Winter 2016 CARDIOLOGY - Cardiovascular Division
Winter 2016 CARDIOLOGY - Cardiovascular Division

... atrial arrhythmias. Today electrophysiologist Philip Cuculich, MD, and radiation oncologist Clifford Robinson, MD are continuing this long tradition by developing a non-invasive method for treating ventricular tachycardia (VT), using stereotactic cardiac ablation radiotherapy (a.k.a. the Gamma Knife ...
Congestive Heart Failure
Congestive Heart Failure

... Rheumatic fever – Aschoff body – A collection of cells, often near a vessel, with a few multinucleate cells and some vesicular nuclei with big nucleoli (Aschoff cells). Anichkov myocytes (not shown) are myocytes with very elongated big nucleoli. This is a marker for rheumatic fever, but the serious ...
Ventricular ectopic beats in structurally normal heart: When to stop
Ventricular ectopic beats in structurally normal heart: When to stop

... myocardial ischemia and to risk stratify patients with known coronary diseases. It has also been used to evaluate ventricular arrhythmias as early as 1927. The conventional impression is that ventricular ectopics that are not provoked by exercise or reduce in activity during exercise can be regarded ...
Evaluation and Therapy for Heart Failure in the Setting of Ischemic
Evaluation and Therapy for Heart Failure in the Setting of Ischemic

... of reversible myocardial ischemia caused by a severe coronary artery stenosis superimposed on the left ventricle with depressed LVEF may produce transient worsening of LV function. In many patients, HF symptoms, such as dyspnea or fatigue induced by exercise, may represent an anginal equivalent. Epi ...
Hiatal Hernia Is Associated With an Increased Prevalence of
Hiatal Hernia Is Associated With an Increased Prevalence of

... assessed. Similarly, the severity of HH could not be assessed from the retrospective review of the records. Echocardiographic assessment was not performed or available in the majority of patients, and, therefore, the impact of HH on atrial function or dimensions or their contribution to the developm ...
graphic techniques in cardiology
graphic techniques in cardiology

... of uncomplicated atrial septal defect. When the pulmonary vascular resistance becomes greatly elevated in ASD, the jugular A waves generally become dominant again, and this sign is lost. The presence of this type of V wave accentuation is virtually specific for ASD and, with practice, can be recogni ...
Peripartum cardiomyopathy
Peripartum cardiomyopathy

... dyspnoea, chest pain, pulmonary crackles, increased jugular venous pressure, hepatomegaly, change in blood pressure, tachycardia and third heart sound. The first steps of the therapy include lifestyle measures and diuretics. ACE-inhibitors are the mainstay of treatment after delivery, while hydralaz ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)

... followed by coronary artery disease (10.6%). In 1982 Selzer reported that the most potent risk factors for AF were cardiac failure and rheumatic heart disease.6 Population studies in India indicate prevalence of rheumatic heart disease was 2 per 1000 population. 7 More than half of the patients with ...
Rhythm & 12 Lead EKG Review
Rhythm & 12 Lead EKG Review

... • Originate in the ventricles / purkinje fibers – Ventricular escape rhythm (idioventricular) rate 20-40 – Accelerated idioventricular rate 42 - 100 – Ventricular tachycardia (VT) rate over 102 • Monomorphic – regular, similar shaped wide QRS complexes • Polymorphic (i.e. Torsades de Pointes) – life ...
ELECTROCARDIOGRAPH ECG graph paper
ELECTROCARDIOGRAPH ECG graph paper

... skin. Electrodes on different sides of the heart measure the activity of different parts of the heart muscle. An ECG displays the voltage between pairs of these electrodes, and the muscle activity that they measure, from different directions, also understood as vectors. This display indicates the ov ...
Prognostic value of TAPSE after therapy optimisation in patients with
Prognostic value of TAPSE after therapy optimisation in patients with

... index of in vivo RV length–force relationship of prognostic usefulness in heart failure.19 PASP was estimated on the basis of the peak tricuspid regurgitation velocity, taking into account right atrial pressure evaluated on the basis of the inferior vena cava diameter and its respiratory variation. ...
Debt-free cardiac health - Journal of Cardiovascular Magnetic
Debt-free cardiac health - Journal of Cardiovascular Magnetic

... regarding internal work as a negative burden and external work as a positive expression of cardiac function, we show that hearts with a net energy debt cross over to failure, while hearts with a net positive energy expression function normally. Thus, EDebt provides additional information, since even ...
Living with Your Implantable Defibrillator (ICD)*
Living with Your Implantable Defibrillator (ICD)*

... of patient device diagnostic data to the CareLink Network. Transmissions to the CareLink Network sent via cellular connectivity are subject to cellular service availability. The monitor must be on and in range of the device in order to wirelessly receive data from your implanted device. Web browsers ...
Relationship of Mitral Annular Plane Systolic Excursion
Relationship of Mitral Annular Plane Systolic Excursion

... recommendations of the American Society of Echocardiography [5]. Left ventricular end diastolic diameter (LVEDD), left ventricular end systolic diameter (LVESD), septal wall and posterior wall thickness were measured from parasternal M-mode recordings according to standard criteria. LV ejection frac ...
Blue Lightning - The Illinois Society of
Blue Lightning - The Illinois Society of

... P-Waves: Regular but not related to QRS A total lack of conduction through the AV node This conduction defect is dangerous and may progress to ventricular standstill Treatment is an artificial pacemaker ...
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Cardiac contractility modulation



Cardiac contractility modulation (CCM) is a treatment for patients with moderate to severe left ventricular systolic heart failure (NYHA class II–IV). The short- and long-term use of this therapy enhances both the strength of ventricular contraction and the heart’s pumping capacity. The CCM mechanism is based on stimulation of the cardiac muscle by non-excitatory electrical signals (NES). CCM treatment is delivered by a pacemaker-like device that applies the NES, adjusted to and synchronized with the electrical action in the cardiac cycle.In CCM therapy, electrical stimulation is applied to the cardiac muscle during the absolute refractory period. In this phase of the cardiac cycle, electrical signals cannot trigger new cardiac muscle contractions, hence this type of stimulation is known as a non-excitatory stimulation. However, the electrical CCM signals increase the influx of calcium ions into the cardiac muscle cells (cardiomyocytes). In contrast to other electrical stimulation treatments for heart failure, such as pacemaker therapy or implantable cardioverter defibrillators (ICD), CCM does not affect the cardiac rhythm directly. Rather, the aim is to enhance the heart’s natural contraction (the native cardiac contractility) sustainably over long periods of time. Furthermore, unlike most interventions that increase cardiac contractility, CCM is not associated with an unfavorable increase in oxygen demand by the heart (measured in terms of Myocardial Oxygen Consumption or MVO2). This may be explained by the beneficial effect CCM has in improving cardiac efficiency. A meta-analysis in 2014 and an overview of device-based treatment options in heart failure in 2013 concluded that CCM treatment is safe, that it is generally beneficial to patients and that CCM treatment increases the exercise tolerance (ET) and quality of life (QoL) of patients. Furthermore, preliminary long-term survival data shows that CCM is associated with lower long-term mortality in heart failure patients when compared with expected rates among similar patients not treated with CCM.
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