…levels of cardiac troponins. In addition to elevated troponins, the patient must display either symptoms or ECG changes consistent with myocardial infarction/ischemia. Most patients…

…selected cases of upper abdominal pain. An ECG recording costs approximately $10 (10€) and may reduce morbidity and mortality substantially in patients with acute coronary…

…More distal disease may cause foot symptoms, although lower extremity symptoms are much more common than upper extremity symptoms. The severity of symptoms should be…

…Weight loss was considered extremely difficult across patient categories. However, the emergence of incretin based therapies, starting with glucagon like peptide 1 receptor agonists (GLP…

…peak levels of cTnI compared with cTnT. Normal values (reference values) URL (upper reference limit) : The URL is the upper normal limit of troponin in…

…2]. Upper gastrointestinal bleeding can present as haematemesis, coffee ground vomiting or melaena. Haematochezia can occur in massive upper bleeding with rapid intestinal transit. Coffee…

…female Normal <440 ms <430 ms <450 ms Upper limit 440–460 ms 430–450 ms 450–470 ms Prolonged 460 ms 450 ms 470…

…ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that causes tissue metabolic requirements to exceed available blood flow…

…presented in the parenthesis). Values without confidence interval are simply the 98 th percentile (i.e the upper reference limit). Age <1 day 1–3…

…heaviness, burning, or discomfort in the chest and may extend to the arms, shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis…

…associated with ischemic heart disease is broader than chest pain itself, encompassing symptoms like tightness, pressure, and discomfort in the chest, arms, neck, jaw, upper…

…upper reference limit; and Clinical evidence of acute myocardial ischaemia. At least one of the following provides the required evidence of ischaemia: Symptoms compatible with…

…presented in the parenthesis). Values without confidence interval are simply the 98 th percentile (i.e the upper reference limit). Age <1 day 1–3…

…evident, ventricular tachycardia may appear more polymorphic in one lead (the upper lead). ECG 2 . Although the signal in the upper lead appears very disorganized…

…Pilonidal abscess, hidradenitis abscess and paronychia with a collection of pus. Persistent painful induration after a few days of antibiotics — suggests that an abscess has…

…at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist…

…no conversation Cuff width ≥ 40% of the upper arm circumference — a cuff that is too narrow gives a falsely high reading The cuff at heart…

…one unit at a time and assess the effect clinically and with a repeat haemoglobin before ordering the next unit. In chronic anaemia with a…

…severe piperacillin–tazobactam 4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline…

…Intubation is not consistent with the treatment plan — check any decision to limit treatment when time allows. There is complete upper airway obstruction where laryngoscopy…

…2–5 a mixed pattern. Orders of magnitude that direct the work up ALT 50 × the upper limit of normal: paracetamol poisoning, ischaemic hepatitis ("shock…

…radiograph alone belongs to an earlier era. The needle is inserted close to the upper border of the rib, never at the lower border where…

…40 with respiratory symptoms, and occupational exposure to dust, gas or fumes. Preoperative assessment before thoracic or upper abdominal surgery in a patient with known…

…setting, manually or with an automated device. Home blood pressure monitoring (HBPM): self measurement at home, generally with a validated upper arm oscillometric device. Ambulatory…

…typically exceeding 200 beats per minute. While ECG appearances with flutter like patterns are predominantly caused by macroreentrant circuits, microreentry remains a possible alternative mechanism…

…myocardial injury, defined by an elevated cardiac troponin (cTn) value with at least one value above the 99th percentile upper reference limit (URL). The injury…

…myocardial injury, demonstrated by a rising and/or falling troponin pattern with at least one value above the assay specific 99th percentile upper reference limit;…

…mechanisms may coexist, diagnosis and classification must integrate haemodynamics with the patient’s clinical context and the results of all relevant investigations. Haemodynamic definition At…

…hours. The extent and tempo of injury are influenced by collateral flow, myocardial oxygen consumption, and intermittent occlusion with reperfusion. Prompt reperfusion, when appropriate, reduces…

…and drug induced reactions. Approximately 90% of anaphylactic cardiac arrests present with pulseless electrical activity (PEA) as the initial rhythm, while the remainder manifest ventricular…

…as one could expect, low sensitivity but high specificity with respect to detecting atrial enlargement. Left atrial enlargement is also referred to as P mitrale…

…arm electrodes are placed proximally on the upper arm. Placement of chest (precordial) electrodes are not changed but additional leads may be attached in children…

…seconds. Upper reference limit is 0,20 seconds in young adults. A prolonged PR interval ( 0.22 s) is consistent with first degree AV block…

…Place the cuff on the upper arm. Locate the brachial signal in the antecubital fossa with the Doppler probe at 45–60° to the skin…

…course (no more than 7 days) may be given to selected patients with an eGFR of 30 40 mL/min for lower urinary tract infection…

…available on the unit. Preparation and equipment A device capable of both CPAP and bilevel ventilation, or alternatively flow generated CPAP with a PEEP valve…

…long before any retrieval: it begins when someone in the intensive care unit identifies a possible donor and the deceased person's own wishes are…

…the upper eyelid. Ask the patient to look down. Grasp the eyelashes, press gently downwards on the upper border of the tarsal plate with a…

…together with the distal pulse and sensation throughout the arm. External rotation (the Hennepin technique). The patient lies supine or sits. The upper arm is…

… it 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 management of hypertension, chronic ischemic heart disease, heart failure with reduced ejection fraction (HFrEF), and post myocardial infarction (MI) care. Despite their proven morbidity…

…Evaluation and Physical Examination A comprehensive evaluation is mandatory for patients presenting with sudden cardiac arrest (SCA) if the underlying cardiac disease is unknown or…

…Factors associated with increased gastrointestinal bleeding include: Older age, with risk increasing particularly after 70 years Male sex Previous upper gastrointestinal disease Hepatic or renal…

…the arm, jaw, neck, or upper back. Chest discomfort triggered by emotional stress. Palpitations associated with physical activity, a large meal, emotional upset, or cold…

…changes occur during the first year of life. The electrocardiogram (ECG) evolves in parallel with the changing anatomy and physiology of the heart. ECG amplitudes…

…of the P wave, PR interval and PR segment The P wave ECG interpretation usually starts with assessment of the P wave. The P wave…

…the absence of a flow limiting epicardial stenosis. It is associated particularly with intervention on degenerated saphenous vein grafts, rotational atherectomy, and acute MI procedures…

…of many reported muscle symptoms remains uncertain. Randomized trials have shown muscle adverse event rates similar to those with placebo, whereas approximately 10% of patients…

ECG Myocardial ischemia and infarction Approach to patients with chest pain: differential diagnoses, evaluation and management Chest pain is one of the most common symptoms…

…hallmark of stable coronary artery disease is exercise related angina pectoris (chest pain); symptoms of ischemia appear during circumstances with increased myocardial demand, typically exercise…

…normal findings, normal variants, etc – from adult electrocardiograms. It is crucial to be familiar with normal findings, normal variants, and pathology in neonates, infants and…

…changes occur during the first year of life. The electrocardiogram (ECG) evolves in parallel with the changing anatomy and physiology of the heart. ECG amplitudes…

…depolarize and repolarize the ventricles ( Figure 1 ). The length of the QT interval correlates strongly with the risk of potentially life threatening ventricular arrhythmias. Therefore…

…Unstable Angina presents with clinical and/or electrocardiographic signs of myocardial ischemia but lacks this biomarker elevation. With the ubiquitous adoption of hs cTn assays…

…the surface ECG. Intracardiac electrodes – with the placement of electrodes against the sinoatrial node – are necessary to diagnose first and third degree sinoatrial block. However…

…hallmark of stable coronary artery disease is exercise related angina pectoris (chest pain); symptoms of ischemia appear during circumstances with increased myocardial demand, typically exercise…

…through the strip, without any relation to QRS complexes. P waves may occur on the ST T segment ( Figure 1 , upper panel). The atrial rate…

…a certain threshold, pressure rises rapidly with further volume increases. This is explained by the existence of an upper limit for ventricular compliance. The greater…