…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…

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

…bleeding, shock, hypoxia and any other underlying cause immediately. 9. Request ultrasound of the kidneys and urinary tract when a postrenal cause cannot confidently be…

…Wheeze with preserved air entry Marked wheeze or reduced air entry Silent or nearly silent chest pCO₂ Low Usually low Normal or raised Other Moderate…

…angiography The standard investigation in acute stroke to identify large vessel occlusion, dissection or other vascular pathology CT perfusion Used with an unclear time of…

…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…

…with advanced age, smoking, coronary artery disease, chronic obstructive pulmonary disease, renal insufficiency, systemic hypertension, and concomitant abdominal aortic aneurysm. Clinical Presentation and Symptoms 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…

…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…

…Williams classification (Table 1). Agents in bold text are commonly used to prevent or treat acute and subacute ventricular arrhythmias. The Singh Vaughan Williams classification…

…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…

…than by a distinct advantage of one drug over the other. Mathew et al. Milrinone as Compared with Dobutamine in the Treatment of Cardiogenic Shock…

…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…

…prospective study of patients with acute coronary syndrome. Thus, an individual plaque’s morphology does not reliably establish that it will cause an acute event…

…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…

…Myocardial ischemia and infarction Factors that modify infarct size and the natural course in acute myocardial infarction (AMI) The traditional distinction between NSTE ACS (NSTEMI…

…typically concealed in the setting of LBBB. A patient with acute STEMI may therefore display a normal LBBB pattern. LBBB may be caused by ischemia…

…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…

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

…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…

…stress testing in patients with previous acute coronary syndromes (myocardial infarction), women, elderly and revascularized individuals Clinicians should be familiar with the special challenges posed…

…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…

…with one notable exception. Occurrence of upsloping ST segment depressions with prominent T waves in the majority of the chest leads may indicate an acute…

…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…

…Pathophysiology ST segment elevation myocardial infarction (STEMI) is an acute myocardial infarction associated with a working diagnosis of persistent ST segment elevation or an accepted…

…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…

…problem worldwide. While the incidence of coronary heart disease and acute myocardial infarction has been reduced by approximately 50% during the past few decades, the…

…problem worldwide. While the incidence of coronary heart disease and acute myocardial infarction has been reduced by approximately 50% during the past few decades, the…

…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…

…A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and ECG changes. Acute pulmonary oedema. Impaired consciousness…