…assessment of peripheral arterial and aortic disease; planned surgery, especially carotid endarterectomy (CEA), coronary artery bypass grafting (CABG), or major non cardiac surgery. The vascular…

…electrocardiographic changes, and with or without acute elevations in cardiac troponin concentrations. Based on the presenting electrocardiogram (ECG) and the presence of troponin elevation, ACS…

…markers for structural and hemodynamic cardiac abnormalities. Right Axis Deviation (RAD) RAD holds significant diagnostic weight in the evaluation of pulmonary vascular and right heart…

…secondary to known cardiac conditions; in these patients, symptoms may be challenging to differentiate from normal physiological changes of pregnancy. Evaluation and Physical Examination The…

…are incompletely defined. Proposed contributors include hypercontractility or hypersensitivity of coronary vascular smooth muscle to vasoconstrictor stimuli, including adrenergic agonists, leukotrienes, and serotonin. In patients…

…possibility of thrombolytic treatment. Cardiac and pulmonary complications Acute hypertension may precipitate myocardial ischemia or infarction, acute heart failure, or pulmonary oedema. Patients may present…

…the presence of abnormal clinical risk assessment. Low risk PE is characterized by clinical low risk features, negative cardiac biomarkers, and no imaging evidence of…

…be familiar with the vascular supply to these components. Figure 1 presents all relevant parts of the conduction system and their source of blood supply…

…present Factors that may be contributing to elevated blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ damage Existing cardiac…

…of coexisting CAD, previous myocardial infarction or HF. Nevertheless, the risk of arrhythmia and sudden cardiac death is most often determined by the presence and…

…vascular expertise. The initial evaluation should establish: The time of symptom onset and the rate of progression The location and severity of pain The presence…

…and myocardial flow reserve with PET. Evaluate myocardial viability, particularly when combined with metabolic imaging. Contribute to assessment of cardiac inflammation, infective endocarditis, and cardiac…

…to vascular dementia, and thromboembolism may affect organs other than the brain. Patients with AF in the setting of ACS have more comorbidities and a…

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

…the interaction between the cardiac and renal axes may produce cardiorenal syndrome. Worsening renal function in the presence of persistent congestion is particularly associated with…

…depends on the vascular territory involved and may include systemic arterial embolic manifestations. The source material does not provide a detailed catalogue of specific embolic…

…spasm. The absence of obstructive CAD on ICA should therefore not automatically be interpreted as evidence that the patient’s symptoms are non cardiac. In…

…PH) is a heterogeneous pathophysiological disorder characterized primarily by elevation of pulmonary arterial pressure. It may arise from pulmonary vascular disease, left sided cardiac disease…

…Adenosine is an endogenous nucleoside present throughout the body that interacts with G protein coupled A1 receptors located on the extracellular surface of cardiac cells…

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

…resolution. Iodinated contrast is generally required for coronary angiography because the intrinsic contrast between the cardiac chambers, blood pool, and vascular structures is limited. CCTA…

…major target—where MR activation promotes sodium transport—MRs are also present in cardiac myocytes, vascular smooth muscle, endothelial cells, macrophages, neurons and other tissues…

…and ischaemic thresholds vary substantially between individuals depending on the magnitude of the stressor, the presence of non cardiac comorbidities, and the extent of underlying…

…demyelination HINTS plus by a trained examiner if nystagmus is present, neurological examination, gait and truncal stability Acute balance syndrome Acute persistent unsteadiness or ataxia…

…ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures. Both…

…impaired ventricular function, does not allow for adequate filling of the ventricles, which results in reduced stroke volume and reduced cardiac output. Most patients experience…

…researchers compared the effectiveness of milrinone and dobutamine . The primary composite outcome included in hospital mortality, resuscitated cardiac arrest, cardiac transplantation or mechanical circulatory support…

…Clinical presentation and symptoms SCAD generally presents as ACS. Symptoms may therefore include acute chest pain or chest discomfort, with associated manifestations of myocardial ischaemia…

…HFrEF. Clinical evaluation should define: The severity of symptoms and functional limitation. Evidence of congestion or fluid retention. The presence of precipitating or aggravating conditions…

…right ventricular free wall rupture and cardiac tamponade. The most common of these are hypotension, low cardiac output and sensitivity to drugs that reduce preload…

…not vascularized and therefore it is difficult for the immune system to reach the bacteria. Endocarditis can lead to the destruction of the valvular apparatus…

…aortic valve itself, due to the reduced area of the valvular orifice. Both aortic stenosis and hypertension result in increased ventricular load, which the ventricle…

…in isolation. The initial diagnosis and triage depend on integration of symptoms, vital signs, the ECG, and serial cardiac troponin measurements. Evaluation and physical examin

…typically larger, present with more severe neurological deficits, and carry higher rates of mortality and long term disability compared to non cardioembolic ischemic strokes. Consequently…

…infarction, cardiac rupture with tamponade, and less common causes such as severe pre existing valvular disease or excessive beta blocker or calcium channel blocker exposure…

…antianginal drugs and PCI or CABG, daily or weekly angina remains present in approximately 2%–24% of patients with CAD. The pathophysiology of refractory angina…

…is age related degeneration of the valvular apparatus. Age related degeneration affects 2% of the population and leads to gradual prolapse of the valve leaflets…

…is an indicator of cardiac hemodynamic status and may be estimated with echocardiography. The PASP is an independent predictor of survival and for elevated left…

…of rheumatic valvular disease. The regurgitation is considered severe if the tricuspid annulus diameter is 4 cm. Severe tricuspid regurgitation results in right ventricular and…

…the presence of CRT, the type and location of surgery, and the anticipated current pathway. In a pacing dependent patient, inhibition of pacemaker output may…

…indicative of cerebral anoxia or brain death and constitute an adverse prognostic sign. Notably, the presence of dilated, nonreactive pupils 48 hours post cardiac arrest…

…evident from the fact that the vast majority of all myocardial infarctions and episodes of myocardial ischemia, do not cause ventricular arrhythmias and cardiac arrest…

…the behavior of the pacemaker at low and high heart rate, the behavior of the pacemaker in the presence and absence of intrinsic cardiac activity…

…and cardiac arrest after presentation are markers of very high risk. They require immediate escalation because the priority is to identify and treat an obstructive…

…dissection. Coronary embolism of cardiac or non cardiac origin. Oxygen supply–demand mismatch, including demand related events in the presence of fixed coronary disease. More…

…supply and demand, without the presence of acute atherothrombosis. Type 3 MI: Describes cardiac death in patients with symptoms suggestive of myocardial ischaemia and presumed…

…reveal pneumothorax (highlighted by a lack of lung tissue) and its impact on cardiac function. Clinically, patients may present with: Absent breath sounds on the…

…the term perimyocarditis . Hemodynamic effects of pericardial effusion and cardiac tamponade Intrapericardial pressure increases as fluid accumulates in the pericardial space. Intrapericardial pressure may reach…

CPR Tamponade and cardiac arrest Cardiac arrest associated with tamponade has an exceptionally poor prognosis. In the vast majority of these cases, the tamponade develops…

…in bradycardia (Figure 1). Cardiac output and blood pressure, rather than ECG, are the strongest predictors of adverse outcomes. Non acute or asymptomatic bradycardia Non…

…These assays, referred to as high sensitive cardiac troponin, may actually detect the presence of troponins in most normal persons. In 2017 it was possible…

…partial occlusion of the artery (i.e. coronary blood flow is not completely obstructed). NSTE ACS typically presents with ST segment depressions and/or T…

…myocardial oxygen demand and coronary blood supply. Stress increases myocardial oxygen requirements, principally through increased heart rate and contractility. In the presence of a flow…

…Cardiac toxicity presents as various arrhythmias, ranging from bradycardias related to enhanced vagal effect to life threatening tachyarrhythmias. Evaluation and Physical Examination Physical examination of…

…pleural incision may expose cardiac antigens and initiate an inflammatory response. The presence of antibodies directed against cardiac tissue, the latent interval of several weeks…

…TdP typically present with near syncope, syncope, or cardiac arrest. Before the onset of sustained VT, patients frequently experience PVCs and runs of non sustained…

…of them are myxomas and next papillary fibroelastoma is most common. Among children, rhabdomyoma is most common. Myxoma Myxoma is the most common primary cardiac…

…benefit of urgent angiography. ST elevation in acute transmural myocardial ischemia is discussed in the chapter ST elevations in ischemia and differential diagnoses. In cardiac…

…Whether and how PCI was performed. The need for non cardiac surgery. The presence of an indication for oral anticoagulation (OAC). Clinical context and treatment…

…one of the following criteria present: haemodynamic instability or cardiogenic shock recurrent or ongoing chest pain refractory to medical treatment life threatening arrhythmias or cardiac…