…and Pathophysiology Unstable angina (UA) is an acute coronary syndrome characterized by myocardial ischaemia occurring at rest or with minimal exertion, without evidence of acute…

…risk score for NSTEMI and unstable angina [calc_timi_nstemi] TIMI SCORE 30 days mortality 30 days acute MI Probability of revascularization 0 1 1…

…in patients with STEMI, those with NSTEMI and unstable angina are at considerable risk of developing life threatening ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation) and…

…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)…

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…

…lead ECG within 10 minutes. 3. Attach defibrillator pads if the patient is unstable or at marked risk of arrhythmia. 4. Take a full blood…

…unstable, how long has the fibrillation lasted, and does the patient need an anticoagulant? The unstable patient Immediate electrical cardioversion, without delay, in any of…

…Unstable Yes Often raised Reperfusion, intensive care Intermediate–high Stable Yes Raised Admission with monitoring. Be prepared for rescue thrombolysis Intermediate–low Stable One of…

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…

…is indicated for the prevention of atherothrombotic events in adult patients with acute coronary syndromes (ACS), including: Unstable angina (UA) Non ST elevation myocardial infarction…

…a high probability of unstable angina (UA), and patients whose initial findings are less definitive. The defining electrocardiographic feature is the absence of persistent ST…

…classified into unstable angina (UA), non ST segment elevation myocardial infarction (NSTEMI), and ST segment elevation myocardial infarction (STEMI). While the incidence of STEMI is…

…reflects atherothrombosis: disruption of an atherosclerotic plaque followed by platelet activation and coagulation, with formation of an intraluminal thrombus. The clinical spectrum includes unstable angina…

…is the most severe complication of coronary artery disease. The most common initiating mechanism is rupture or erosion of a vulnerable (unstable) atherosclerotic coronary plaque…

…with bronchospastic lung disease, or a history of significant reactive airway disease. Contraindications also include second degree or third degree AV block, sinus node dysfunction…

…dislocation. Immobilisation of a ligament injury, a tendon injury, or after suturing over a joint. Pain relief and stabilisation for transfer in a suspected fracture…

…dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted…

…Gufoni manoeuvre for treatment. Contraindications Absolute: Unstable cervical spine injury, recent cervical spine surgery, atlantoaxial instability, severe rheumatoid arthritis of the neck. Symptomatic carotid stenosis…

…irrespective of duration and anticoagulation status: Tachyarrhythmia with haemodynamic compromise: hypotension, shock, pulmonary oedema, myocardial ischaemia or a falling level of consciousness. Unstable monomorphic VT…

Procedurer The value of the exercise test lies not in ST depression alone but in the overall picture : exercise capacity, symptoms, blood pressure response, heart…

…surgery of the nose, pharynx or oesophagus. Marked nausea, anxiety or communication difficulties that prevent the patient from cooperating. Suspected base of skull fracture or…

…in chest trauma and postoperatively. Emergency needle decompression: a clinical suspicion of tension pneumothorax in a haemodynamically or respiratorily unstable patient. Contraindications In tension pneumothorax…

…during the last second , or when the expiratory time has reached 15 seconds. In 2019 ATS/ERS removed the previous minimum requirement of 6 seconds…

…of breathing, the peripheral perfusion and the signs of shock 2 Two large bore peripheral cannulae. Consider an arterial line if the patient is unstable…

…otherwise haemodynamically unstable. The benefit of its administration in these patients should be carefully balanced against the potential risks resulting from hypotension. • Withdrawal of clonidine…

…history of bleeding, unstable anticoagulation control, advanced age, and the use of certain medications or alcohol. Interpretation of HAS BLED score A score of 0…

…for treatment of infarcting myocardium early II trial substudy. Circulation. 2000 Oct 24;102(17):2031 7. The TIMI risk score for unstable angina/non…

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

…the second and third decades of life, while clinical manifestations commonly emerge much later. Despite this prolonged course, its major complications—including myocardial infarction, unstable…

…the patient is clinically unstable, identify life threatening diagnoses rapidly, and select a safe disposition and diagnostic strategy. Only a minority of patients presenting with…

…denotes treatment with aspirin plus a P2Y12 receptor inhibitor. In the setting of acute coronary syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction…

…life threatening causes of chest pain: Ischemic heart disease : stable angina pectoris, unstable angina pectoris, acute myocardial infarction (AMI). Note that unstable angina pectoris and…

…These factors interact and vary over time. Some factors vary from second to second (e.g. degree of ischemia, parasympathetic and sympathetic tone) while others…

…and unstable angina have similar pathophysiology and management are also similar. Hence, the difference between STE ACS and NSTE ACS is merely the presence of…

…supervision of their clinician. Indeed, kinesiophobia (fear of exercising) is common after myocardial infarction and it is associated with poorer survival. Patients with unstable angina…

…intervention (PCI). Contraindications for myocardial perfusion imaging Exercise stress testing is contraindicated in patients with acute myocardial infarction, unstable angina, severe aortic stenosis, decompensated heart…

…arrhythmias. Unstable angina pectoris in the acute phase (before stabilization of symptoms) – due to the risk of developing acute myocardial infarction and inducing ventricular arrhythmias…

…decreases and vice versa. The physiological purpose of this phenomenon is to allow for faster cardiac cycles during tachycardia (e.g during physical exertion). Therefore…

…occur in both NSTE ACS (NSTEMI and unstable angina pectoris) and STE ACS (STEM). However, the significance of the ST segment depression differs markedly in…

…compared to those with Non ST Elevation Myocardial Infarction (NSTEMI) or unstable angina (UA), is attributed to the greater extent of ischemia present in STEMI…

…wide complex tachycardia (WCT), the acute management of both stable and unstable presentations, the critical entity of electrical storm, and the long term management strategies…

…is available; in VF/VT only after the 3rd defibrillation 0.01 mg/kg (0.1 mL/kg of 0.1 mg/mL), maximum 1…

…or gastric surgery Gastric lavage Seizures or an unstable patient — stabilise first The induction of vomiting has no place in the modern treatment of poisoning…

…and stabilise the patient Immediate assessment 1. Assess airway, breathing, circulation and level of consciousness. 2. Attach ECG, pulse oximetry and repeated blood pressure measurement…

…Penetrating torso injury with shock. A positive FAST scan in an unstable trauma patient. An unstable pelvic fracture with circulatory compromise. A ruptured aortic aneurysm…

…unstable pain: the onset takes 12 to 24 hours and the offset just as long. Breakthrough dose During ongoing opioid treatment: a breakthrough dose of…

Procedurer The test measures the ability of the adrenal cortex to respond to maximal ACTH stimulation, and it is rarely the injection itself that determines…

…is given as an infusion of isoprenaline, adrenaline or dopamine according to local practice, and does not replace pacing when the patient is markedly unstable…

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

…from injured cardiomyocytes at substantially lower concentrations than earlier generation assays. They can identify troponin concentrations in approximately 50–95% of healthy individuals, whereas sensitive…

…or chest pain equivalent symptoms. The ECG assessment remains necessary even when symptoms have improved by the time of medical evaluation, because transient or evolving…

…carotid, vertebral and coronary arteries. In one study cited in the source material, FMD was identified in 86% of patients with SCAD. SCAD should therefore…

…coronary artery disease (CAD). It combines echocardiographic assessment of left ventricular (LV) structure and function with exercise or pharmacological stress. The physiological basis is an…

…emphasizing concurrent rapid rewarming of the patient. Consider extracorporeal membrane oxygenation (ECMO) in unstable patients. The administration of medications (such as amiodarone and epinephrine) and…

…unstable angina) at any time during the disease course. Some patients may experience an acute coronary syndrome as the first manifestation of their coronary artery…

…unstable angina) at any time during the disease course. Some patients may experience an acute coronary syndrome as the first manifestation of their coronary artery…

…and the instructions decide whether the investigation will be usable. Ambulatory blood pressure monitoring (ABPM) Indications Confirmation of newly detected hypertension — recommended before treatment is…

…usually ruins the examination is not the technique but the handling of the specimen — an aspirate that clots before the smears are made is unusable…