…segment. The phenomenon occurs in approximately 2%–3% of PCI procedures overall. It is particularly associated with intervention on degenerated saphenous vein grafts (SVGs), rotational…

…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…

…cardiac arrest. Repeated blood gases, for example during mechanical ventilation or severe metabolic derangement. Major surgery with expected blood loss or large volume shifts. Patients…

…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…

…its major complications—including myocardial infarction, unstable angina and stroke—may occur abruptly and without preceding warning. Initiation and progression of the fatty streak The…

…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…

…Ongoing or newly recognized LV systolic dysfunction. A patient may also present because of complications of the underlying infarction or LV remodeling, including heart failure…

…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…

…be established. Nasopharyngeal airways may cause complications in patients with skull fractures (risk of intracranial malposition of the tube) or coagulopathy (risk of bleeding). An…

…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…

…will transfer the mechanical (pressure) energy to the new medium, which may also start to vibrate (Figure 1). Figure 1. The principle of how sound…

…the use of chest compressions, as well as possibly ventilation and automatic external defibrillator (AED). Return of Spontaneous Circulation (ROSC) : Return of mechanical cardiac function…

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…

…Mechanical circulatory support, including extracorporeal membrane oxygenation (ECMO), may be required in this setting. Clinical presentation and symptoms The clinical presentation reflects the severity of…

…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 procedure is routine. Synchronised cardioversion or unsynchronised defibrillation Synchronised cardioversion Unsynchronised defibrillation : : : Rhythm An organised rhythm with discernible QRS complexes: atrial fibrillation, atrial flutter…

…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…

… } Interpretation of CHADS VASc score and decisions on anticoagulation Men Women Points Recommendation Evidence Recommendation Evidence 0 No treatment Low No treatment High 1 Oral…

…end stage renal failure Consider renal replacement therapy Hypoperfusion with persistent organ injury Consider mechanical circulatory support Refractory advanced disease Consider palliative care Right ventricular…

…Incomplete lesion preparation Persistent stenosis within the treated segment Mechanical factors are particularly important because correction of the underlying problem is necessary for durable treatment…

…care capabilities, including mechanical circulatory support and transplantation, is warranted. Diagnostics Hemodynamic and functional monitoring is central to the safe administration of these agents. Continuous…

…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…

…cardiac arrest presenting with ventricular fibrillation (VF) or pulseless ventricular tachycardia (VT) can be defibrillated to restore an organized rhythm and thus mechanical cardiac function…

…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…

…block): definition, causes, diagnosis & management This article covers the fundamental principles of atrioventricular (AV) blocks, which are classified into three types: first degree, second degree…

…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…

…connective tissue and a very high density of capillaries. The muscle fibers are organized into several sheets that wrap around the ventricle with varying orientation…

…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…

…by a deeper understanding of myocardial mechanics and clinical outcomes. The 2022 American Heart Association/American College of Cardiology/Heart Failure Society of America (AHA…

…is increased resistance in the aortic valve itself, due to the reduced area of the valvular orifice. Both aortic stenosis and hypertension result in increased…

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…

…electrically and mechanically, along their long axis. This cell architecture is referred to as a syncytium , which implies that the entire network of cells functions…

…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…