…Other symptoms include dyspnea, pain radiating to the left arm/shoulder/throat, palpitations, back pain and selected cases of upper abdominal pain. An ECG recording…

…myocardial cells and therefore myocardial troponins should not be detected in the blood. It should be noted, however, that current troponin assays are extremely sensitive…

…although lower extremity symptoms are much more common than upper extremity symptoms. The severity of symptoms should be described by their effect on walking distance…

…HbA1c) reduction, blood pressure, lipids and smoking cessation. Weight loss was considered extremely difficult across patient categories. However, the emergence of incretin based therapies, starting…

…cTnI and cTnT are specific to cardiac muscle cells. Cardiac troponin levels are extremely low in healthy subjects; the 99 th percentile is less than…

…ulcer bleeding are managed differently from the first minute. Peptic ulcer remains the commonest cause of upper gastrointestinal bleeding, but the differential diagnosis includes oesophagitis…

…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…

…shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis, fatigue, faintness, and other symptoms may occur without chest pain and should be…

…arms, neck, jaw, upper back, and abdomen, as well as dyspnea and nausea (anginal equivalents) [7]. Clinicians must consider both cardiac and non cardiac etiologies…

…Myocardial injury Myocardial injury is a biochemical diagnosis defined by at least one cardiac troponin value above the assay specific 99th percentile upper reference limit…

…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…

…Management : : : Medial triangle of the face (nasal root, alae nasi, upper lip) Venous drainage towards the cavernous sinus Surgeon or ENT; often antibiotics Palm, fingers…

…and in people under 18 years of age, where iso BMI or percentile charts should be used. Waist circumference Measure the waist between the lowest…

…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…

… a higher threshold may be considered individually in ongoing ischaemia Upper gastrointestinal bleeding that has been stabilised 70 g/L — a more liberal strategy gives…

…then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always…

…any decision to limit treatment when time allows. There is complete upper airway obstruction where laryngoscopy will not succeed; plan for a surgical airway or…

…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…

…gas or fumes. Preoperative assessment before thoracic or upper abdominal surgery in a patient with known lung disease. Follow up of treatment effect and of…

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

…atrium is activated passively. The upper boundary of this circuit may be located either anterior or posterior to the superior vena cava. A critical area…

…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;…

…heart disease from pulmonary vascular disease. Although a PAWP of 12 mmHg represents the upper limit of normal in some assessments, a threshold of ≤15…

…MI should not be made solely from an abnormal cTn concentration in the absence of evidence of ischaemia. Classification of myocardial infarction The Fourth Universal…

…Hypotension Circulatory collapse culminating in cardiac arrest Anaphylaxis can develop without dermatological or upper airway manifestations. Anaphylactic cardiac arrest should be suspected among younger patients…

…explained below. The normal P wave contour on ECG The normal P wave (Figure 1, upper panel) is typically smooth, symmetric and positive. The P…

…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…

…because the two are electrically isolated from each other by the fibrous rings ( anulus fibrosus). However, some people have an additional (also called accessory) connection…

…no absolute contraindications. Refrain or modify in: Deep vein thrombosis in the leg — cuff compression should be avoided in the acute phase. A leg that…

…dose daily and follow creatinine. Underdosing in sepsis is more dangerous than exceeding the upper dose limit during the first 24 hours. Give the ful

…latter. The treatment is also time limited by its very nature: a patient who has not responded within a couple of hours should be intubated…

…raised — the two decisions must never be conflated. There is no absolute upper age limit. Suitability is determined organ by organ in consultation between the…

…body reaching the stroma or deeper. The absence of a slit lamp — the cornea should not be instrumented without magnification. With a suspected chemical injury…

…oxide Rapid onset and offset; the patient cooperates Intra articular local anaesthesia Lidocaine into the glenohumeral joint in shoulder dislocation, with an effect equivalent to…

…nervous system. Contact your national or regional poison control centre for advice on the treatment threshold and on whether haemodialysis should be considered. Rhabdomyolysis with…

…should inquire about historical clues suggesting alternative etiologies, such as a sensation of postnasal drip, frequent throat clearing, sneezing, and rhinorrhea, which may indicate upper…

…and its reversibility is often difficult. Physical examination and clinical evaluation should focus on identifying factors that trigger ventricular arrhythmias (VA), such as electrolyte imbalances …

…with risk increasing particularly after 70 years Male sex Previous upper gastrointestinal disease Hepatic or renal disease Multiple cardiovascular risk factors Concomitant nonsteroidal anti inflammatory…

…many patients report less characteristic symptoms, while others present primarily with exertional dyspnoea. Symptoms should be characterized systematically, including: Onset and duration. Location and radiation…

…Meanwhile, deoxygenated blood in the superior vena cava (which returns blood from the head and upper limbs) also enters the right atrium. Oxygenated and deoxygenated…

…second half is a reflection of left atrial depolarization. This is shown in Figure 3 (upper panel). Recall that the P wave in V1 is…

…artery bypass grafting (CABG), and is classified within the universal MI framework as follows: Type 4a MI: MI related to PCI. Type 4b MI: MI…

…Muscle symptoms should be distinguished from severe muscle injury. Myopathy is characterized by muscle symptoms accompanied by CK greater than 10 times the upper limit…

…squeezing, or a crushing sensation across the precordium and may radiate to the neck, shoulder, jaw, back, upper abdomen, and left or right arm. Onset…

…NSTEMI, non STEMI) , if troponin levels are above the upper threshold. Unstable angina pectoris (UA) if troponin levels are below the threshold (i.e normal)…

…infants and during the childhood years. Below follows a discussion on each of the nine parameters listed above. Many of the diagnoses mentioned below are…

…Meanwhile, deoxygenated blood in the superior vena cava (which returns blood from the head and upper limbs) also enters the right atrium. Oxygenated and deoxygenated…

…QT interval for each lead and use the longest QT interval obtained. Large U waves that are fused with the T wave should be included…

…troponin (hs cTn), with at least one value above the 99th percentile upper reference limit (URL) in the appropriate clinical context. Unstable Angina presents with…

…Figure 1. Upper tracing shows normal impulse conduction from the sinoatrial node to the atria. Atrial activation commences almost immediately after discharge of the impulse…

…NSTEMI, non STEMI) , if troponin levels are above the upper threshold. Unstable angina pectoris (UA) if troponin levels are below the threshold (i.e normal)…

…atrial impulses are conducted to the ventricles. The atria and the ventricles are electrically dissociated from each other. This condition is referred to as atrioventricular…

…rises rapidly with further volume increases. This is explained by the existence of an upper limit for ventricular compliance. The greater the left ventricular compliance…