…dangerous differential diagnoses [1,2]. STEMI and other ECG patterns suggesting acute coronary occlusion are time dependent conditions. The decision on immediate reperfusion is based…

…in a patient with COPD. Pneumonia, heart failure, pulmonary embolism, pneumothorax and acute coronary syndrome must be actively considered [1]. Do the following early: 1…

…other underlying cause immediately. 9. Request ultrasound of the kidneys and urinary tract when a postrenal cause cannot confidently be excluded. 10. Contact nephrology early…

…delaying treatment. 10. Call anaesthetics and intensive care early with life threatening features or an inadequate response. First line treatment is oxygen in hypoxaemia, repeated…

…early ischaemic changes CT angiography The standard investigation in acute stroke to identify large vessel occlusion, dissection or other vascular pathology CT perfusion Used with…

…triggers it [1,2]. The single most important practical rule is: Continuous acute dizziness with spontaneous nystagmus: consider HINTS plus, but only if the examiner…

…older patients with multiple vascular comorbidities. An isolated PAU is one without associated IMH, dissection, or saccular aneurysm. Symptomatic isolated lesions may represent early periulcer…

…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…

…adequate. For example, a patient with acute graft occlusion may report an abrupt reduction in walking distance before claudication, accompanied by moderate pain or paresthesia…

…pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High risk…

…right ventricular hypertrophy (RVH) from posterior acute ischemia. Both these conditions cause ST segment depressions in V1–V3 along with large R waves ( Figure 2…

…it further. Starting doses in acute pain in an opioid naive adult Agent Route Starting dose Comment : : : : Morphine IV 2.5–5 mg, repeated after…

…decrease (e.g due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude)…

…is often more rapidly reversible than that of other forms of acute tubular necrosis, although the complication remains associated with post procedural morbidity and mortality…

…reperfusion therapy. This approach fails to identify a substantial proportion of patients with acute coronary occlusion (ACO) who present without diagnostic ST elevation, often resulting…

…with NSTE ACS (NSTEMI, unstable angina), on the other hand, may only display ST depressions and/or T wave inversions. STE ACS (ST Elevation Acute…

…symptoms or ECG changes consistent with myocardial infarction/ischemia. Most patients, however, display both ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis…

…as Compared with Dobutamine in the Treatment of Cardiogenic Shock. N Engl J Med 2021; 385:516 525 Indications Severe left ventricular failure, acute or…

…break through the intimal layer, provoking localized thrombosis. This is predominantly observed in older patients with heavily calcified, tortuous vessels [2] . Regardless of the initiating…

…with straight (horizontal, upsloping, or downsloping) or convex ST segment strongly suggest acute transmural ischemia ( Figure 1 A ). Concave ST segment elevations, on the other…

…acute glomerular disease or scleroderma renal crisis [1,2]. A hypertensive emergency means a markedly raised blood pressure together with ongoing or new organ damage…

…or cardiac arrest mechanical complications of acute myocardial infarction. acute heart failure recurrent dynamic ST segment or T wave changes, particularly with intermittent ST segment…

…acute severe mitral regurgitation, and other mechanical complications. Shock occurs more often when the coronary artery is completely occluded and is particularly associated with MVD…

…also demonstrated increased ischaemic complications. In a large network meta analysis, 3 month DAPT, but not 6 month DAPT, was associated with higher rates of…

…bradyarrhythmia, tachyarrhythmia, or severe hypertension with or without left ventricular hypertrophy. Among patients with NSTE ACS undergoing angiography, approximately 10% have no critical epicardial stenosis…

…is given. An ECG without ischemic ST T changes when recording during chest pain is not consistent with myocardial ischemia. In other words, chest pain…

…60 minute occlusion of the left anterior descending coronary artery (LAD) would reduce the infarct size by 60%, as compared with directly occluding the LAD…

…outcomes improved when they were treated as acute STEMI cases. Management of left bundle branch block (LBBB) in patients with acute coronary syndromes (ACS) For…

…the onset of myocardial infarction. This is utilized in clinical practice by detecting troponins in patients with suspected acute coronary syndromes. Several manufacturers have developed…

…Risk of acute kidney injury increases when combined with ACE inhibitors. Corticosteroids and other NSAIDs: Increased risk of gastrointestinal bleeding when combined with acetylsalicylic acid…

Procedurer In acute circulatory failure it is not the number of cannulae that matters but the flow per unit time . A large bore, short cannula…

…The reader should already be familiar with the classification of acute coronary syndromes. Subsequent chapters will deal with ST segment elevation myocardial infarction (STEMI) and…

Cardiology Diagnosis and treatment of bradycardia (bradyarrhythmia) Acute bradycardia with hemodynamic instability Acute bradycardia with hemodynamic effects is a potentially life threatening condition and should…

…infarction Acute myocardial infarction (AMI) always affects the left ventricle Myocardial infarction is virtually synonymous with left ventricular infarction . All myocardial infarctions affect the left…

…1β inhibition Canakinumab reduced inflammatory biomarkers without affecting lipids or other major coronary risk factors. In patients with previous myocardial infarction and residual inflammation…

…Definition and Pathophysiology Acute coronary syndromes (ACS) encompass a spectrum of clinical conditions characterized by a recent change in symptoms or signs, with or without…

…However, exercise stress testing must not be performed within 4 to 6 days after acute myocardial infarction. Moreover, early exercise tests should not be maximal…

…grouped. The chain of care in NSTEMI and unstable angina Management of patients with acute coronary syndromes is permeated by the mantra time is myocardium…

…ST segment depressions with prominent T waves in the majority of the chest leads may indicate an acute occlusion in the LAD (left anterior descending…

…or mechanical complications, is much less common in the acute phase. The chain of care in acute STEMI Optimal care for patients with STEMI requires…

…inversions without concomitant ST segment deviation (elevation or depressions) – is never a sign of acute ischemia. T wave inversions with concomitant ST segment deviations are…

…A Clinical Overview The evaluation of acute chest discomfort requires a systematic differential diagnosis, as the syndrome associated with ischemic heart disease is broader than…

…Important presentations include: Hypotension or shock Acute severe aortic regurgitation with heart failure Cardiac tamponade from haemopericardium Myocardial ischaemia from coronary ostial compromise Focal neurological…

…rate parameters. Clinical Presentation and Symptoms Acute heart failure necessitating inotropic or vasopressor support typically manifests in patients with left ventricular systolic dysfunction, low cardiac…

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

…or process. Although Type 1 MI and acute coronary syndromes are commonly related to atherothrombotic events, myocardial ischaemia may also result from other mechanisms. Differential…

…infarction or ischemic episode to result in ventricular arrhythmia, it must coincide with other pro arrhythmogenic factors. The emergence of ventricular tachycardia or ventricular fibrillation…

…influenced effects on the cardiovascular system. Acute exposure produces transient haemodynamic and myocardial effects, whereas sustained heavy consumption is associated with hypertension, coronary artery disease…

…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…

…pressure. Renal and microvascular complications Renal involvement may manifest as deterioration in renal function and urinary abnormalities. Malignant hypertension may cause acute microangiopathy, with renal…

…ischemia and infarction Definition and pathophysiology Post infarction pericarditis encompasses two temporally and clinically distinct complications of acute myocardial infarction (AMI): Early infarct associated pericarditis …

…although not every patient with an initial STEMI pattern has myocardial infarction as the final diagnosis. The underlying process usually involves acute thrombotic obstruction of…

…Early reperfusion, reduction of myocardial energy requirements and mitigation of reperfusion injury are complementary objectives of initial STEMI management. The principal acute complications fall into…

…As in other acute coronary events, the thrombotic process is dynamic, with varying degrees of occlusion that may provide a window of opportunity for reperfusion…

…Approximately half of all patients with heart failure die suddenly, as a result of ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation). Early diagnosis and aggressive management…

…Approximately half of all patients with heart failure die suddenly, as a result of ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation). Early diagnosis and aggressive management…

…is recorded in all patients with suspected pericardial disease. In addition to echocardiography, ECG and clinical examination, blood tests and other radiological examinations are most…

…contraindicated, for example in asthma Contraindicated in impaired left ventricular function and together with an intravenous beta blocker Digoxin In heart failure or hypotension, or…