…and procedural complexity. Overall incidence and major complications Complications during diagnostic coronary angiography occur in approximately 2% of patients. Serious events such as stroke and…

CPR Post resuscitation care Victims of out of hospital cardiac arrest (OHCA) who achieve ROSC in the emergency room (ER) are transferred to the intensive…

…perivalvular (adjacent to the valves), etc. Cardiac tumors cause nonspecific symptoms that depend on the size of the tumor, localization, hemodynamic effects and possible impact…

…from out of hospital cardiac arrest should not routinely undergo immediate angiography. A selective or delayed approach is recommended in this setting unless other findings…

…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…

…Other microorganisms, generally, cause subacute endocarditis. Endocarditis can affect native (own) valves and valve prostheses. As always, foreign materials pose a high risk of infection…

…affect organs other than the brain. Patients with AF in the setting of ACS have more comorbidities and a higher risk of complications than patients…

…Despite the effectiveness of preventive interventions in both sexes, women are less likely to receive statins, aspirin or referral to cardiac rehabilitation and are less…

…of vascular autoregulation during a rapid or severe rise in BP. This may produce acute injury in the brain, retina, heart, aorta, kidneys, or other…

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

…arteries (MINOCA). Ventricular fibrillation and sudden cardiac death are important potential complications. Approximately one third of patients may have severe fixed coronary obstruction. Such patients…

…cardiac abnormalities, HF and sudden cardiac death. The relationship between glycaemia and cardiovascular disease is complex. Glycaemic control is important for prevention of microvascular complications…

…are normokalaemic and have no distinctive symptoms attributable to aldosterone excess. Cardiovascular complications may dominate the presentation or emerge during evaluation. These include cardiac hypertr

…and other emergency instruments. Personnel conducting the test must be formally trained to assess cardiovascular response, symptoms, and ECG changes. Although the risk of cardiac…

…Intervention BLS or ACLS NNT to save 1 person Reference Early detection of cardiac arrest BLS 11 Berdowski et al Bystander CPR BLS 15 Hasselqvist…

…sensitive and specific for myocardial injury. Elevated levels of cardiac troponins is firm evidence of myocardial necrosis (i.e infarction). This is explained by the…

…that of other forms of acute tubular necrosis, although the complication remains associated with post procedural morbidity and mortality. Pathophysiology The precise mechanism of contrast…

…instantaneous identification of the initial rhythm ( Thorén et al ). The initial rhythm has immense significance for survival in cardiac arrest, regardless of all other circumstances…

…0.4 0.8 2.1 Table 1. Survival in out of hospital cardiac arrest due to external causes ( Kitamura et al). References DeBehnke DJ…

CPR Cardiac arrest during pregnancy and childbirth All healthcare units capable of managing pregnant women in cardiac arrest should engage in specialized clinical training to…

…unit (CCU), regular wards and rehabilitation facilities. Depending on the cause of the arrest, other units may be critical (e.g. trauma unit). Careful and…

…ischemia. Inverted U waves are even more typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes…

…blood tests and other radiological examinations are most often required, in particular computed tomography (DT) and/or magnetic resonance imaging (MRI). Anatomy of the pericardium…

…of myocardial ischemia result in cardiac arrest. In order for an infarction or ischemic episode to result in ventricular arrhythmia, it must coincide with other…

…causes of pericardial effusion. Important clinical associations include: Idiopathic or viral pericarditis Malignant pericardial disease Tuberculosis Purulent or bacterial pericarditis Trauma Cardiac surgery and other…

…intrinsic rhythm may develop prolonged pauses. Pacing dependent patients therefore require protection against inhibition during the period of anticipated EMI. The perioperative strategy should also…

…30–120 seconds of cardiac arrest and light reactivity is lost when cerebral blood flow ceases. In other words, during prolonged cardiac arrest without effective…

…cardiac arrest and are potentially reversible etiologies when promptly and appropriately addressed. Both venous and arterial blood gases can be utilized for the analysis of…

…On the other hand, sinus bradycardia developing during physical exercise is considered abnormal, because heart rate must increase during exercise. Mechanisms of cardiac arrhythmias The…

…slow, irregular breaths with a frequency of 1 to 4 breaths per minute. Agonal breathing is frequently seen during the first minute after cardiac arrest…

…et al and Marijon et al , long term prevention of cardiac arrest at the population level is very difficult. Future efforts may be more successful…

…blood travels during the flow period. VTI can be used for various volume calculations, such as calculation of stroke volume. Stroke volume (SV), cardiac output…

…team (CAT) and intensive care units and other units caring for resuscitated patients. Figure 1. The chain of survival in out of hospital cardiac arrest…

…cardiac arrest have ventricular fibrillation prior to the cardiac arrest. Most of these have atherosclerotic heart disease (coronary artery disease) as the underlying cause. Other…

…the majority of sudden cardiac deaths occur in patients with preserved LVEF, for whom no practical risk prediction tool currently exists. At the other end…

…ECMO) initiation ( Soar et al ). ETCO 2 trends can vary during CPR depending on various factors such as the cause of cardiac arrest, compression efficacy…

…ventricular filling). This may even lead to compression of the ventricles during diastole; cardiac tamponade occurs if excess pericardial fluid causes hemodynamic effects. Electrical alternans…

…However, due to varying strengths, limitations and clinical applications of these modalities, the definitions of cardiac planes, ventricular segments, and coronary arterial territories evolved differently…

…occurs within minutes thereafter; survival is highly unlikely after 8–10 minutes of no flow (i.e. cardiac arrest without any circulation). These estimates should…

…when other therapeutic options cannot be pursued. Patients receiving digoxin may present with symptoms of digitalis toxicity, which manifests across multiple organ systems. Non cardiac…

…ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine triphosphate) as the primary energy source…

…assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease. It combines a structured family history, clinical evaluation, cardiac investigations…

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

…Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood…

…hypertrophy, LV dysfunction, or other pathology that could affect the safety or interpretation of the examination. Evaluation and Physical Examination Before stress echocardiography, clinical assessment…

…risk factor [2] . This change reflects robust evidence that female sex alone, in the absence of other comorbidities, does not significantly increase stroke risk. Conversely…

…However, most cardiac conditions may be associated with atrial flutter. As compared with several other supraventricular tachyarrhythmias, atrial flutter does not occur among otherwise healthy…

…infarction Definition and pathophysiology Myocardial infarction (MI) is a clinical diagnosis that integrates myocardial injury, evidence of acute myocardial ischaemia, electrocardiographic findings, cardiac biomarkers, imaging…

…between cardiac function and vascular resistance. Advantages of measuring MAP over systolic blood pressure While systolic blood pressure (SBP) indicates the maximum pressure during heart…

…of the coronary arteries or coronary microcirculation. These abnormalities can produce a transient and reversible mismatch between myocardial oxygen demand and blood supply, generally during…

…Myocardial injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated…

…and a cardiac chamber or vessel. Other congenital anomalies include anomalous origin of a coronary artery from the pulmonary artery and anomalous origin of one…

…inflammation and other systemic influences. The severity of myocardial injury is determined not only by the epicardial obstruction but also by the vulnerability of the…

…microvascular disease and vasospasm may coexist with atherosclerosis or may be the dominant cause of ischaemia. Other mechanisms capable of obstructing coronary arteries include embolism…

…that a reduction in $I {Na}$ leaves the transient outward potassium current ($I {to}$) unopposed during phase 1 of the action potential [11] …

…result in prehospital cardiac arrest and death. As in other acute coronary events, the thrombotic process is dynamic, with varying degrees of occlusion that may…

…bradycardia and reduced cardiac output. Bradycardia causing hemodynamic instability is a potentially life threatening condition and should be managed urgently. The risk of cardiogenic shock…

…increases the quality of the examination, and allows for standardized comparisons of serial examinations. If pathology is discovered during the standard examination, other examinations (which…

…of 20–40 it is most likely a ventricular escape rhythm. Ventricular escape rhythms are unreliable, such that they may cease and thus cause cardiac…

…tricuspid inflow The echocardiographic counterpart of pulsus paradoxus Contraindications In overt tamponade with shock there are no absolute contraindications other than the conditions in which…