…of myocardium at risk. Over 48 hours: urgent PCI is still indicated with continuing ischaemia, shock, serious arrhythmia or acute heart failure. Routine opening of…

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

Njurmedicin Lathundar Acute management on call Acute kidney injury, AKI, is a syndrome of rapidly deteriorating renal function. Management is governed not by the creatinine…

…or reduced air entry Silent or nearly silent chest pCO₂ Low Usually low Normal or raised Other Moderate work of breathing Accessory muscle use Cyanosis…

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

…is: Continuous acute dizziness with spontaneous nystagmus: consider HINTS plus, but only if the examiner is trained. Brief attacks triggered by the position of the…

…Symptoms Acute chest and/or back pain is the predominant symptom of both IMH and PAU. PAU pain may resemble the abrupt pain of classic…

…without diagnostic electrocardiographic abnormalities and with or without an acute rise in cardiac troponin. The spectrum ranges from symptom free presentation to persistent chest discomfort…

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…

…by limited cardiopulmonary reserve or other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High risk PE , also termed massive PE…

…acute myocardial infarction (STEMI) The heart is rotated 30° to the left in the thorax. This positions the basal portion of the left lateral wall…

…of oral morphine per day, and 25 micrograms/hour to approximately 40–50 mg of oral morphine per day. Patches have no place in acute…

…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…

…that of other forms of acute tubular necrosis, although the complication remains associated with post procedural morbidity and mortality. Pathophysiology The precise mechanism of contrast…

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…

…size of the thrombus and the plaque. The patient will experience severe chest pain due to the abrupt reduction of coronary blood flow. Acute coronary…

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

…Hypotension can be counteracted with simultaneous administration of norepinephrine. All patients with severe acute heart failure who receive levosimendan should be monitored invasively (e.g…

…or fully occlusive intraluminal thrombus [5] . ACS Classification The clinical spectrum of Acute Coronary Syndromes encompasses Unstable Angina (UA), Non ST Elevation Myocardial Infarction (NSTEMI)…

…ST segment does not rule out ischemia, it merely reduces the probability of ischemia as the underlying cause. Concave ST segment elevations are very common…

…4. Measure the blood pressure in both arms at the first assessment, particularly in chest pain, back pain or suspected acute aortic syndrome. 5. Use…

…recurrent or ongoing chest pain refractory to medical treatment life threatening arrhythmias or cardiac arrest mechanical complications of acute myocardial infarction. acute heart failure recurrent…

…haemodynamically unstable patients, evaluation must also consider acute severe mitral regurgitation, mechanical complications, and ischaemia related ventricular failure as potential causes of shock. Patients with…

…combined use of aspirin and an oral P2Y12 receptor inhibitor. It is central to the prevention of platelet mediated coronary thrombosis after acute coronary syndrome…

…factors. Plaque erosion Plaque erosion is increasingly recognized and is present in at least one third of acute coronary syndromes in the cited material. Eroded…

…Use of ECG in acute coronary syndromes & chest pain patients An ECG must be performed on all patients seeking medical attention due to chest discomfort…

…in acute myocardial infarction (AMI) is modified by several factors. The most important of these, and their implications, are as follows: The size of the…

…depressions, T wave changes) are typically concealed in the setting of LBBB. A patient with acute STEMI may therefore display a normal LBBB pattern. LBBB…

…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…

Indications Acute myocardial infarction. Unstable coronary artery disease. Stable angina pectoris. Secondary prophylaxis to prevent recurrence of cerebrovascular diseases, such as: Transient ischemic attacks (TIA…

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…

…thorough discussion of the electrophysiological principles, ECG changes and clinical implications is provided. The reader should already be familiar with the classification of acute coronary…

…of acute bradycardia in the emergency setting. Parameter Assessment A Airway Voice Breath sounds B Breathing Respiratory rate (12–20 / min) Chest wall movements Chest…

…dx), which originates from the right coronary artery (RCA). The RCA also supplies the inferior left ventricular wall in over 90% of all individuals. Hence…

…and because of cost. Evidence in acute coronary syndromes and recent myocardial infarction COLCOT The COLCOT trial enrolled 4745 patients within 30 days of myocardial…

Myocardial ischemia and infarction ECG Definition and Pathophysiology Acute coronary syndromes (ACS) encompass a spectrum of clinical conditions characterized by a recent change in symptoms…

…the effect of interventions and medications, and prognosticate survival. However, exercise stress testing must not be performed within 4 to 6 days after acute myocardial…

…infarction Non ST Elevation Acute Coronary Syndromes (NSTE ACS): Non ST Elevation Myocardial Infarction (NSTEMI) and Unstable Angina (UA) The focus of this chapter is…

…Occurrence of upsloping ST segment depressions with prominent T waves in the majority of the chest leads may indicate an acute occlusion in the LAD…

…Chest pain (discomfort) is the hallmark symptom of myocardial ischemia and is particularly pronounced in patients experiencing acute STEMI. The severity of symptoms in STEMI…

ECG Myocardial ischemia and infarction T wave changes in acute myocardial infarction & ischemia A thorough discussion regarding the physiology of the T wavewas previously provided…

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

…within 14 days of symptom onset in the source material. Clinical Presentation and Symptoms Aortic dissection is an uncommon cause of acute chest pain but…

Cardiology Critical care Pharmacology & dosing Definition and Pathophysiology In the management of acute heart failure and cardiogenic shock, intravenous vasoactive agents are categorised according to…

…dissection (SCAD) is an acute coronary disorder caused by separation within the coronary arterial wall, usually through formation of an intramural haematoma that compresses the…

…Angina occurring after a recent myocardial infarction. UA belongs to the broader spectrum of acute coronary syndromes, which may present with recent changes in symptoms…

CPR It is commonly stated that approximately 80% of all cardiac arrests are caused by acute or chronic coronary artery disease, with the latter being…

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

…ACS, AF may be present before the acute event, detected for the first time during its management, or arise during the course of treatment. Even…

…may present with chest pain, severe breathlessness, hypoxaemia, rales, or respiratory distress. In patients with HFpEF, acute hypertension is a frequent trigger of decompensation and…

…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 …

…myocardial infarction as the final diagnosis. The underlying process usually involves acute thrombotic obstruction of an epicardial coronary artery. A vulnerable atherosclerotic plaque and thrombogenic…

…reperfusion central to survival. Clinical Presentation and Symptoms The characteristic symptom prompting activation of the STEMI pathway is ischaemic type chest discomfort, although dyspnoea may…

…supplies the posterior descending artery (PDA) in a left dominant circulation (i.e. 10 15% of cases). Clinically, patients present with severe chest pain, diaphoresis…

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

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

…are not overfilled in acute volume loads. Pericardial Effusion: fluid in the pericardial space Normally, the pericardial sac contains 25 to 50 ml of liquid…

…any of the following: A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and ECG changes. Acute…