…due to embolization. Approximately 30% of all ischemic strokes are caused by cardiac embolism. This figure does not include paradoxical embolism (discussed below) and emboli…

…Cardiac etiology Cardiac arrests caused by cardiovascular conditions and events are highly stochastic events. This is due to the fact that the vast majority of…

…and therefore the worse the prognosis. This does not always hold true. For example, in cardiac arrest due to pulmonary embolism the initial rhythm is…

…This is due to the swinging back and forth of the heart in the pericardial space. Note that tachycardia, pulmonary embolism and ischemia may also…

…common sustained cardiac arrhythmia and a profound driver of global cardiovascular morbidity and mortality, primarily due to its association with ischemic stroke and systemic embolism…

…crucial to distinguish Type 2 MI from acute and chronic myocardial injury. Myocardial injury is characterised by myocyte necrosis and troponin elevation due to mechanisms…

…circulatory collapse and arrhythmias Pulmonary embolism in acute phase – due to risk of aggravation of the condition. Pulmonary infarction in acute phase – due to risk…

…are small; they have a more stretched appearance and most often exhibit multiple villi . These myxomas are more likely to embolize (Cardiac Thromboembolism). There are…

…been excluded. Causes of extreme axis deviation Rare. Most likely due to misplaced limb electrodes. If the rhythm is tachycardia with wide QRS complexes, then…

…extreme axis deviation Extreme axis deviation is rare. It is most likely due to misplaced limb electrodes. If the rhythm is tachycardia with wide QRS…

…pulmonary embolism, pulmonary hypertension, septum defects, etc. Right ventricular load is thus an issue that is raised both in outpatient and emergency care. To evaluate…

…and nervousness. This is due to altered tone in the autonomic nervous system, with increased sympathetic input (leading to stimulation of beta adrenergic receptors) and…

…is too often discovered first at hospital admission due to its complications (stroke, thromboembolism, heart failure, dyspnea). Most individuals, however, do experience symptoms and th

…is the first line treatment in high risk embolism, unless there is an absolute contraindication. The agent and dose are according to the local protocol…

…perfusion and the subsequent reduction in left ventricular preload lead to a cascade of hemodynamic alterations which may culminate in cardiac arrest. Pulmonary embolism is…

…negative cardiac biomarkers, and no imaging evidence of RV dysfunction. Catastrophic or “supermassive” PE refers to refractory cardiogenic shock or the need for ongoing cardiopulmonary…

…level of consciousness and circulation. 2. Give controlled oxygen with a target of 88 to 92 percent until the risk of hypercapnia has been assessed…

…cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke. The risk associated with asymptomatic disease depends substantially on stenosis severity and…

…Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD is a manifestation of systemic arterial disease rather…

… see the acute stroke quick reference. Stopping the drug and forgetting to restart it after the procedure. Document the restart date in the medical record…

…Known — perform the test only on a clear indication and with full preparedness Moderate to severe aortic stenosis without symptoms Individual assessment Hypertrophic cardiomyopathy with…

…Condition Recommended delay : : Myocardial infarction or unstable angina 1 month Pneumothorax 1 month after resolution Pulmonary embolism, until anticoagulated and stable An individual assessment Eye…

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

…Pericardial disease, including constriction Right ventricular dysfunction caused by pulmonary embolism Infiltrative cardiomyopathies, particularly cardiac amyloidosis Sepsis and other hyperdynamic states In cardiac amyloidosis, BNP…

…obstructive lesion Coronary embolism or thrombus Epicardial coronary vasospasm Coronary microvascular dysfunction Spontaneous coronary artery dissection (SCAD) Standard angiography may fail to demonstrate plaque disruption…

…cardiac and systemic disorders, including: Cardiac causes Systemic causes Heart failure Sepsis Myocarditis Chronic kidney disease Cardiomyopathy Stroke or subarachnoid haemorrhage Takotsubo syndrome Pulmonary embolism…

…an elevation in cardiac troponin. The underlying pathological mechanism is not restricted to a single lesion or process. Although Type 1 MI and acute coronary…

…angina pectoris and acute myocardial infarction are categorized under acute coronary syndromes (ACS). Aortic dissection Pneumothorax Pulmonary embolism Mediastinitis (rare condition) In addition to these…

…cardiac arrest (referred to as ECPR [extracorporeal CPR] ) requires the immediate establishment of veno arterial ECMO (VA ECMO) . A peripheral artery (typically femoral artery) and…

CPR Bedside echocardiography in cardiac arrest In the context of cardiac arrest, focused echocardiography entails a swift evaluation of ventricular contractions and the status of…

…to result from right ventricular ischemia that develops during physical exertion [5]. Associated Findings: Exertional dyspnea, dizziness, and syncope may also occur [5]. Non Cardiac…

…rise and/or fall. A stable elevation indicates chronic myocardial injury . Myocardial injury is not synonymous with myocardial infarction. Cardiac troponin identifies injury to myocardial…

…often leads to a mistaken impression of indigestion. STEMI pain can simulate pain from acute pericarditis, pulmonary embolism, acute aortic dissection, costochondritis, and gastrointestinal disorders…

…suggesting acute coronary occlusion. Most patients with this working diagnosis subsequently develop myocardial necrosis and cardiac troponin elevation, although not every patient with an initial…

…apparent, first detected during management of another condition, or identified only by implanted or wearable devices as subclinical AF. Some patients have frequent symptomatic episodes…

ECG Introduction to ECG interpretation Lathundar The Cardiac Electrical Axis: Definition, Clinical Implications, and Deviations Definition and Mechanism of the Electrical Axis The heart's…

…Epicardial or microvascular coronary spasm. Spontaneous coronary artery dissection. Coronary embolism of cardiac or non cardiac origin. Oxygen supply–demand mismatch, including demand related events…

…failure Acute pulmonary embolism, pulmonary infarction, or deep vein thrombosis Acute myocarditis or pericarditis Acute aortic dissection Physical disability that precludes safe and adequate testing…

…to hyperkinetic myocardium. Large thrombus burden. Cardiac magnetic resonance (CMR) can further characterize thrombus morphology and may assist in embolic risk assessment. Clinical presentation and…

…procedures overall. It is particularly associated with intervention on degenerated saphenous vein grafts (SVGs), rotational atherectomy, and procedures performed for acute myocardial infarction. In SVG…

…refill and venous filling Pulses proximal and distal to the suspected obstruction Arterial and venous Doppler signals Evidence of systemic disease or a potential embolic…

…thrombus can fragment, embolize to other coronary branches or vascular beds, propagate through gaps between stent struts, and compromise the treated lumen. Conventional angiography has…