…does not determine the anticoagulation indication. Previous stroke or TIA. The presence of mitral stenosis, a mechanical heart valve or hypertrophic cardiomyopathy. Heart failure, hypertension…

…a new cardiac murmur, or jugular venous distension in the days after MI should prompt immediate consideration of a mechanical complication. Clinical deterioration may be…

…leads [7]. These stricter parameters correlate more closely with abnormal LV mechanical function and the potential benefit of resynchronization pacemaker therapy [7]. R Wave Peak…

…also improves the chance of success by counteracting vascular spasm. Pressure monitoring set: stiff, short tubing, a transducer, and a flush system with physiological saline…

…instability or cardiogenic shock recurrent or ongoing chest pain refractory to medical treatment life threatening arrhythmias or cardiac arrest mechanical complications of acute myocardial infarction…

…Haemodynamic instability or cardiogenic shock Life threatening arrhythmias or cardiac arrest after presentation Mechanical complications of myocardial infarction Recurrent dynamic ECG changes suggestive of ischaemia…

…cardiogenic shock. Identification of life threatening arrhythmias. Assessment for high risk mechanical complications. Determination of symptom onset time and anticipated time to primary PCI. Patients…

Procedurer Almost all the complications of pleural aspiration arise from two errors: the needle is placed in the wrong site, and too much is drained…

…accounting for approximately 80% of cases. Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral…

…focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and may affect multiple arterial territories. The arterial wall…

…with other procedural complications, including distal embolization, coronary dissection, perforation, and abrupt closure. The clinical consequences depend heavily on the amount of viable myocardium supplied…

…Ventricular tachyarrhythmia. Features suggesting systemic embolization. In patients with recurrent chest pain and hemodynamic compromise after MI, mechanical complications should be considered. Transthoracic echocardiography (TTE…

…acute phase of STEMI. Death due to ventricular dysfunction, or mechanical complications, is much less common in the acute phase. The chain of care in…

…possible. In out of hospital cardiac arrest (OHCA) ACLS is performed by paramedics, nurses or physicians, depending on the design of the pre hospital system…

…of several possibilities: Extension of the original infarction or reinfarction Acute native vessel thrombosis Stent thrombosis Mechanical complications of myocardial infarction Pericarditis Dynamic recurrence of…

…mechanical complications, and ischaemia related ventricular failure as potential causes of shock. Patients with moderate to severe chronic kidney disease have a higher burden of…

…will have critical CHD, and the pulse oximetry test will correctly identify five of these with critical CHD ( Plana et al ). Minor defects can go…

…that The International System of Units is used throughout this book. This includes the base units metre (length), kilogram (mass), second (time), ampere (electric current)…

…Defibrillation : Use of non synchronized electric shock (i.e. a shock delivered randomly, without considering the phase of the cardiac cycle) to terminate ventricular fibrillation…

Cardiology The ischemic cascade The ischemic cascade describes the sequence of events during myocardial ischemia, beginning with perfusion abnormalities and ultimately leading to chest pain…

…agents Platelet transfusion has weak evidence; discuss with the on call coagulation service Always in parallel: mechanical control of bleeding, tranexamic acid where it is…

…without delay, in any of the following: A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and…

…EMG about 95 %). Contraindications Known hypersensitivity to edrophonium. Mechanical obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade…

…Warfarin has a narrow therapeutic index, a half life of several days and more than a hundred clinically relevant interactions. What determines whether the treatment…

…obstruction of pulmonary blood flow increases RV pressure load and may impair RV filling and forward output. The resulting syndrome may progress to systemic congestion…

…to additional mechanical revascularization. Despite treatment with antianginal drugs and PCI or CABG, daily or weekly angina remains present in approximately 2%–24% of patients…

…intimate understanding of the underlying pathophysiology, which is classically framed by Virchow’s triad: blood stasis, endothelial dysfunction, and hypercoagulability [1] [2] . Mechanical stasis in…

…g skeleton, calcifications, mechanical heart valves) and reflect virtually all sound waves, leaving too few waves to explore the area behind the reflector. This results…

…endotracheal intubation, mechanical chest compressions, targeted temperature management, etc.) and are much less effective in terms of the number needed to treat (NNT). The Number…

…ultrasound waves, they begin to vibrate and these mechanical vibrations are converted into electric current that is sent back to the ultrasound machine, where the…

…replacement can be performed with biological or mechanical prostheses. The former is preferred due to the lower risk of thrombosis and evidence demonstrating long term…

…the R wave The shock is delivered immediately Why Avoids the vulnerable phase of the T wave There is no R wave to synchronise to…

…heparin unless contraindicated Head of the bed 30–45° Stress ulcer prophylaxis During mechanical ventilation, in coagulopathy, or with a history of gastrointestinal bleeding Refeeding…

…mechanical tricuspid prosthesis the lead must not be passed through the valve. The order of management in acute bradycardia Atropine is given in doses of…

…CHADS VASc Score Risk of ischemic stroke Risk för stroke/TIA/systemisk tromboembolism 0 0.2% 0.3% 1 0.6% 0.9% 2 2…

…dysfunction, or both. The clinical consequences of extracellular volume expansion include elevated cardiac filling pressures, pulmonary congestion, systemic venous hypertension, and peripheral interstitial edema. These…

…restenosis (ISR) is recurrent narrowing within a previously implanted coronary stent. It represents a form of arterial hyperplastic disease arising after percutaneous coronary intervention (PCI…

…direct activation of voltage sensitive calcium channels. At lower doses, dobutamine stimulates beta2 and alpha receptors, inducing vasodilation, decreasing aortic impedance and systemic vascular resistance…

…or cardiac surgical sympathetic denervation can be performed to mechanically reduce sympathetic output [4]. Evaluation of Treatment and Alternatives for Drug Failure The provided context…

…and systematic review of 141 studies on the survival in treated OHCA. Pooling all the eligible studies resulted in the following survival estimates: Likelihood of…

…spread of an electrical impulse is therefore directly coupled to a mechanical event; this is referred to as electromechanical coupling . The electrical conduction system of…

…resuscitated cardiac arrest, cardiac transplantation or mechanical circulatory support, nonfatal myocardial infarction, transient ischemic attack or stroke, and initiation of renal replacement therapy. The study…

…system, which transmit electrical impulses from the atria to the ventricles. Conduction through the AV node is intentionally slow (due to the low concentration of…

…cordis occurs as a result of a blunt, non penetrating blow to the chest, typically over the precordium. The mechanical impact can induce ventricular fibrillation…

…layers. These layers are similar to those seen in arteries throughout the circulatory system (Figure 1). The ventricular wall consists of an inner lining (endocardium)…

…function. A large body of science has demonstrated that these parameters are highly interdependent and rather complex. Indeed, myocardial mechanics constitute a whole research field…

…The majority of these are genes encoding desmosomal proteins . The desmosome is a component of the intercalated disc that connects myocardial cells mechanically and electrically…

…related vascular stiffening, and distinct microvascular responses to systemic inflammation [7] . The dominant risk factors for HFpEF include hypertension (present in 80% of cases), obesity…

…of a disproportionate response to increased ventricular loading. The presence of systemic hypertension or aortic stenosis does not rule out hypertrophic cardiomyopathy. Epidemiological aspects of…

Echocardiography Diastolic function and echocardiographic assessment The importance of systolic function can be understood on an intuitive basis. Consider the fact that the left ventricle…

…chronic value [4]. The grading must not be used mechanically. A patient with a plasma potassium of 6.2 mmol/L, new bradycardia and acute…

…aortic regurgitation gradually leads to impaired contractile function and the development of myocardial fibrosis. Contractile dysfunction further aggravates the regurgitation (the regurgitation volume increases). Mechanically…

…action potential, it is activated and contracts. Figure 1 illustrates the relevant components of the conduction system, the heart and the classical ECG waveforms. Figure…

…provide important insights into left ventricular mechanics. Regional differences in contractile function are of utmost importance, particularly in the setting of (confirmed or suspected) myocardial…