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

…of the stent, stent diameter less than 3 mm, long stent length Large thrombotic burdens increase procedural risk because thrombus can fragment, embolize to other…

…events in the setting of a stent thrombosis or restenosis. Type 1 myocardial infarction Definition and pathophysiology Type 1 MI results from acute coronary atherothrombosis…

…risk of circulatory collapse. Decompensated heart failure – due to the risk of circulatory collapse and arrhythmias Pulmonary embolism in acute phase – due to risk of…

…between myocardial oxygen supply and demand. In many cases, the initiating process is plaque disruption with thrombosis; other cases result from spasm, microvascular dysfunction, embolism…

…smooth muscle cell dysfunction, and dysregulation of sympathetic innervation), coronary embolism, and spontaneous coronary artery dissection with or without intramural haematoma. Spontaneous coronary artery dissection…

…Definition and clinical concept Myocardial infarction with non obstructive coronary arteries (MINOCA) describes a clinical presentation in which the patient has symptoms suggestive of acute…

…underlying process usually involves acute thrombotic obstruction of an epicardial coronary artery. A vulnerable atherosclerotic plaque and thrombogenic blood interact to initiate and extend thrombosis…

…vein thrombosis and pulmonary embolism differ from the atrial fibrillation doses and include an initial high dose phase. Follow FASS (the Swedish medicines compendium) and…

Clinical medicine Emergency medicine Definition and pathophysiology Acute limb ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that…

…and epigastrium, combined with patient denial, often leads to a mistaken impression of indigestion. STEMI pain can simulate pain from acute pericarditis, pulmonary embolism, acute…

…embolization of atheromatous and thrombotic material. Plaque or thrombus may be dislodged by: Balloon inflation Atherectomy Stent implantation Manipulation of friable SVG lesions Embolic debris…

…in pulmonary embolism is up to 20%, and roughly 30% of patients with pulmonary embolism or deep vein thrombosis experience a second thrombotic event within…

…Decompensated heart failure. Acute pulmonary embolism or deep vein thrombosis. Acute myocarditis, pericarditis or endocarditis. Acute aortic dissection. Physical inability to perform the test safely…

…rise and/or fall in cardiac troponin with at least one value above the 99th percentile upper reference limit; and Clinical evidence of acute myocardial…

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

…Respiratory rate and oxygenation Evidence of systemic congestion or acute RV failure Syncope or altered clinical status Comorbid cardiopulmonary disease, active cancer, and other conditions…

…MI and acute coronary syndromes are commonly related to atherothrombotic events, myocardial ischaemia may also result from other mechanisms. Differential diagnoses and alternative causes of…

…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…

…SOURCES OF CARDIAC EMBOLI AND EMBOLIC POTENTIAL HIGH EMBOLIC POTENTIAL Atrial arrhythmias — especially atrial fibrillation and atrial flutter. Ischemic heart disease Both acute and chronic…

…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…

…holds true for cardiac arrests caused by chronic or acute ischemic heart disease, it is often not true in other circumstances (e.g. pulmonary embolism…

…e. septal bulging ). Bedside echocardiography allows for immediate recognition of tamponade. Typically, acute tamponade arises from aortic dissection, and survival among such patients is, unfortunately…

…acute myocardial infarction, pericarditis/myocarditis or pulmonary embolism is often a reversible arrhythmia with low risk of recurrence. Atrial fibrillation in other circumstances (particularly those…

…often haemodynamically tolerated and may require no specific acute therapy beyond appropriate anticoagulation and management of ventricular rate. However, AF causing acute haemodynamic instability requires…

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

…under acute coronary syndromes (ACS). Aortic dissection Pneumothorax Pulmonary embolism Mediastinitis (rare condition) In addition to these five conditions, there are numerous other causes of…

…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…

…the result of a perfect storm scenario , where ischemia, hemodynamics, the autonomous nervous system, electrolyte concentrations, and other factors (potentially also genetic predisposition) interact to…

…known malignancy may suggest specific, nonidiopathic etiologies [2]. Summary of Pain Characteristics The following table synthesizes the key differential diagnoses and their characteristic pain patterns…

…right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy. Acute cor pulmonale (pulmonary embolism)…

…right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal in newborns. Right ventricular hypertrophy. Acute cor pulmonale (pulmonary embolism)…

…STEMI and other ECG patterns suggesting acute coronary occlusion are time dependent conditions. The decision on immediate reperfusion is based on symptoms, the ECG and…

…Definition and staging according to KDIGO Acute kidney injury is present when at least one of the following criteria is met [1]: A rise in…

…Other Moderate work of breathing Accessory muscle use Cyanosis, exhaustion, hypotension or collapse The classification is based on a combination of clinical findings, oxygenation and…

…thrombolysis as soon as haemorrhage and contraindications have been excluded. CT angiography or transport planning must not delay treatment unnecessarily. 10. In unknown time of…

…and, if needed, the supine roll test. Spontaneous attacks without a clear trigger: consider vestibular migraine, Ménière's disease, TIA and arrhythmia, among others. Acute…

…Pathophysiology Acute aortic syndromes comprise classic aortic dissection, intramural haematoma (IMH), and penetrating atherosclerotic ulcer (PAU). Aortic dissection accounts for approximately 80%–90% of acute…

…Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis…

…NSTE ACS/NSTEMI are almost invariably accompanied by ST segment depressions in other leads (particularly V5) and that is not consistent with posterior transmural ischemia…

…50 mg of oral morphine per day. Patches have no place in acute, unstable pain: the onset takes 12 to 24 hours and the offset…

…to prevent or treat acute and subacute ventricular arrhythmias. The Singh Vaughan Williams classification fails to clarify that the majority of these agents exert effects…

Adapted from AHA, ACC and ESC guidelines.

…disease, particularly diabetic kidney disease and advanced CKD. The clinical course is often more rapidly reversible than that of other forms of acute tubular necrosis…

ECG Introduction The traditional classification of acute coronary syndromes (ACS) into ST segment elevation myocardial infarction (STEMI), non STEMI (NSTEMI), and unstable angina (UA) has…

…a classification of acute coronary syndromes and myocardial infarctions. The reader should study this chart carefully. Figure 1. Flowchart showing the natural course of coronary…

…and infarction. Symptoms – Patients with acute myocardial infarction may present with typical ischemic chest pain, or with dyspnea, nausea, unexplained weakness, or a combination of…

…and thus the selection between them may be guided by individual patient needs rather than by a distinct advantage of one drug over the other…

…to thrombin generation and fibrin deposition, culminating in a partially or fully occlusive intraluminal thrombus [5] . ACS Classification The clinical spectrum of Acute Coronary Syndromes…

…opposite angle of observation. Other vectors may interfere with the injury currents, and inhibit them from being detected by leads with opposite angles of observation…

…of bupropion, among others, can raise the blood pressure. Serotonin syndrome can also cause autonomic instability and hypertension [4]. Step 2: look systematically for acute…

…the absence of ST segment elevation, primary PCI is indicated in patients with symptoms suggestive of acute myocardial infarction and at least one of the…

…contraindication and the coronary anatomy is suitable. In cardiogenic shock, the principal precipitating mechanisms include ischaemia related heart failure, acute severe mitral regurgitation, and other…

…to the prevention of platelet mediated coronary thrombosis after acute coronary syndrome (ACS) and percutaneous coronary intervention (PCI). Aspirin irreversibly inhibits cyclooxygenase and thereby suppresses…

ECG Myocardial ischemia and infarction Use of ECG in acute coronary syndromes & chest pain patients An ECG must be performed on all patients seeking medical…

…and STE ACS (STEMI) is slightly simplified. In reality, the course in acute myocardial infarction (AMI) is modified by several factors. The most important of…

…arise when facing a patient with left bundle branch block (LBBB) and symptoms of ischemia follows: Left bundle branch block (LBBB) can mimic acute STEMI …

…et al, Twerenbold et al) Kinetics Troponin T (cTnT) and troponin I (cTnI) increase 2 3 hours after the onset of acute myocardial infarction. The…

…the efficacy of diuretics and antihypertensives. Risk of acute kidney injury increases when combined with ACE inhibitors. Corticosteroids and other NSAIDs: Increased risk of gastrointestinal…