…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…

…myocardial injury , demonstrated by a rise and/or fall in cTn with at least one value above the 99th percentile URL; and Clinical evidence of…

…longer a joint remains dislocated, the harder the reduction becomes and the greater the risk of chondral and neurovascular injury. Aim for reduction within a…

…ostia. It remains the reference standard for defining the extent of coronary artery disease because it provides anatomical information while permitting functional assessment and, when…

…and Pathophysiology Aortic dissection is a major form of acute aortic syndrome (AAS), alongside intramural haematoma, penetrating atherosclerotic ulcer, aortic pseudoaneurysm and traumatic aortic injury…

…are components of the myocardial contractile apparatus and are expressed predominantly in cardiac muscle. Troponin I is highly specific for myocardial injury. Interpretation of troponin…

…The extent of myocardial injury is strongly influenced by total ischaemic time. This interval includes: The time from symptom onset to recognition and seeking medical…

…many cases, the renal injury probably represents acute tubular necrosis arising from the combined effects of contrast exposure and other ischaemic or nephrotoxic stresses. The…

…al, JAMA Cardiology (2020). Guo et al reported that 27.8% (52 of 187 patients) had myocardial injury, defined as elevated troponin T levels (TnT)…

…injury must be coupled with clinical evidence of acute myocardial ischaemia. The Fourth Universal Definition classifies MI into five distinct subtypes based on pathophysiology and…

…are no means of determining what phase the patient is in. The three phases following a sudden cardiac arrest were described by Weisfeldt and Becker …

…the victim's outcome: Neurological injury Myocardial dysfunction Systemic response to reperfusion and ischemia Effects of the underlying cause of cardiac arrest Neurological injuries may…

…cause of permanent loss of function is a tendon injury that was sutured over without being found. Indications A traumatic wound that gapes and cannot…

…consisting of individuals with CKD, limiting its accuracy when applied to healthy populations or those with acute kidney injury. Influence of Muscle Mass and Diet…

…ventilation. Inadequate ventilation with a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury…

…the anterior axillary line. Thoracostomy This method is generally deemed safer than using a needle due to reduced risk of injury. Thoracostomy should be performed…

…With a suspected chemical injury the priorities are reversed: irrigate first , for at least 30 minutes, and measure the pH in the conjunctival sac before…

…about 30 minutes of continuous convulsive activity, t2, the risk of permanent neuronal injury increases. Treatment must therefore start at 5 minutes and be escalated…

…is part of the treatment itself. Indications Salicylate poisoning with symptoms or a rising serum concentration. Alkalinisation increases renal elimination several fold and at the…

…The test presupposes that the patient has spontaneous nystagmus at the time of examination and that the examiner is experienced with the head impulse test…

…A patient with a plasma potassium of 6.2 mmol/L, new bradycardia and acute kidney injury may be at greater immediate risk than a…

…a large bore cannula in a suitable vein). Standby access in a patient at risk of rapid deterioration. Intraosseous access: Cardiac arrest where venous access…

…rate. Within the context of acute coronary syndromes, particularly ST elevation myocardial infarction (STEMI), ischemic injury can disrupt the conduction system at any level, producing…

…injury. The syndrome is therefore both a clinical risk factor cluster and a marker of broader metabolic dysfunction. Associated abnormalities may include increased apoB and…

…This helps explain the neurological manifestations of preeclampsia and the potential for stroke even at blood pressure levels that might otherwise be considered only moderately…

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

…Nonetheless, prompt interventions can reverse cardiac arrest and survivors of traumatic cardiac arrest often exhibit favorable neurological outcomes ( Rawshani et al ). Traumatic cardiac arrests typically…

…5. Ask the patient to flex the head forward and swallow repeatedly , preferably with sips of water if swallowing is safe. Advance the tube in…

…Capillary refill is delayed, and venous filling may be reduced. Other possible findings include muscle stiffening and loss of deep tendon reflexes. Pulses are absent…

…accounting for approximately 80% of cases. Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral…

…muscle cells, leading to a white, platelet rich thrombus. Myocardial vulnerability, largely driven by coronary microvascular dysfunction, also contributes to the extension and severity of…

…about 7.20. Different targets apply when the intracranial pressure is raised: normocapnia (PaCO₂ 4.5–5.0 kPa) and avoidance of hypoxia, since hypercapnia…

…medicine Definition and pathophysiology Acute pulmonary embolism (PE) is classified according to haemodynamic status, clinical severity, evidence of right ventricular (RV) dysfunction, and myocardial injury…

…or both. The clinical consequences of extracellular volume expansion include elevated cardiac filling pressures, pulmonary congestion, systemic venous hypertension, and peripheral interstitial edema. These abnormalities…

…which is a manifestation of post cardiac injury syndrome (PCIS). PCIS is an umbrella term that also includes post pericardiotomy syndrome and post traumatic pericarditis…

…are cardiac specific isoforms of troponin and these are abbreviated cTnI, cTnT, and cTnC. The isoforms cTnI and cTnT are specific to cardiac muscle cells…

…at the same time [1]. Activate the local major haemorrhage protocol early. Protocols improve above all the logistics, the communication and the simultaneous delivery of…

…repeat ECG acquisition and consideration of additional leads. Evaluation and Physical Examination At first medical contact, assessment should occur concurrently with acquisition of the initial…

…has symptoms suggestive of acute coronary syndrome (ACS), biochemical evidence of myocardial injury with corroborating evidence of infarction caused by ischaemia, and no obstructive stenosis…

…< 2 cholestatic injury, and 2–5 a mixed pattern. Orders of magnitude that direct the work up ALT 50 × the upper limit of normal:…

…of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis. It is characterized by prolonged angina at…

…Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the kidneys, retina, and brain…

…and endothelial or myocardial injury. Antithrombotic therapy may reduce embolization of thrombotic or atheroembolic material, but pharmacological and mechanical strategies directed specifically at reperfusion injury…

…occur at arterial branch points, where disturbed flow, altered shear stress and intimal injury promote atherosclerosis. The principal anatomical distributions are: Abdominal aorta and iliac…

…evidence of acute cardiomyocyte injury or necrosis. It is distinguished from acute myocardial infarction (AMI), in which myocardial ischaemia is accompanied by cardiomyocyte necrosis and…

…and degradation. Histologically, a vulnerable plaque is defined by a fibrous cap thickness of less than 65 μm, heavy macrophage infiltration, sparse smooth muscle…

…specific marker of myocardial infarction (MI). MI requires both: Acute myocardial injury, demonstrated by a rising and/or falling troponin pattern with at least one…

…of infarction. Early thrombus formation is associated with poor short term prognosis, although early mortality is usually related to the extent of myocardial injury and…

…with placebo, whereas approximately 10% of patients in registries and routine clinical practice report muscle symptoms. This discrepancy reflects, at least in part, the nocebo…

…biomarkers because they are extremely sensitive and specific for myocardial injury. Elevated levels of cardiac troponins is firm evidence of myocardial necrosis (i.e infarction…

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

…The diagnosis and the donor care The time from withdrawal of treatment to circulatory arrest Indications An intensive care patient with severe brain injury in…

…aortic syndrome, acute kidney injury, microangiopathic haemolysis, and severe pre eclampsia or eclampsia. The blood pressure is often at least 180/120 mmHg, but no…

…the acromion and the lower tip of the muscle insertion. 3. Stretch the skin with the thumb and index finger, or compress the muscle in…

…excreted metabolite that causes late sedation and respiratory depression Marked liver failure A reduced dose of all of them, at a longer interval All op

…exostoses Narrow and hard to reach Ongoing otitis externa Pain, spread of infection A small or uncooperative child Movement causes injury Preparation and equipment Otoscopy…

…why, or the patient at risk of carbon dioxide retention is given 15 litres on a reservoir mask and drifts off into a respiratory acidosis…

…C based eGFR With an atypical muscle mass, or to confirm a creatinine based value The mean of creatinine and cystatin C The most reliable…

…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…

…Subclinical cerebral injury may contribute to vascular dementia, and thromboembolism may affect organs other than the brain. Patients with AF in the setting of ACS…