…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…

…altered shear stress and intimal injury promote atherosclerosis. The principal anatomical distributions are: Abdominal aorta and iliac arteries, involved in approximately 30% of symptomatic patients…

…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…

…= abdominal obesity Waist–height ratio Waist / height 0.5 = increased risk, irrespective of sex Mid upper arm circumference Midpoint of the upper arm…

…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…

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

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

…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…

…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…

…the upper border of the rib, never at the lower border where the neurovascular bundle lies, and the drainage is stopped for coughing, chest pain…

…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…

…injury. Myocardial injury Myocardial injury is defined by at least one cardiac troponin (cTn) concentration above the assay specific 99th percentile upper reference limit (URL)…

…tongue, and uvula causing airway obstruction Cardiovascular: Hypotension Circulatory collapse culminating in cardiac arrest Anaphylaxis can develop without dermatological or upper airway manifestations. Anaphylactic cardiac…

…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…

…electrodes more proximally (closer to the trunk): leg electrodes are placed proximally on the thighs and arm electrodes are placed proximally on the upper arm…

…diminishes, the PR interval becomes longer. The upper normal limit is 220 msec (0.22 sec). If the PR interval is greater than 220 msec…

…of myocardial infarction and stroke. Indications Intermittent claudication, rest pain in the foot or leg, or a non healing distal ulcer. Before compression treatment of…

…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

…that make a seal impossible. Recent surgery on the oesophagus or upper gastrointestinal tract, ileus and ongoing upper gastrointestinal bleeding. Marked agitation or inability to…

…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…

…all directions; pain on upward gaze may suggest an orbital floor fracture. 4. Topical anaesthesia into the lower fornix. 5. Evert the upper eyelid. Ask…

…gravity and slow movement; those that fail usually do so because the patient tenses up with pain, or because the operator pulls harder rather than…

…3. Correct the hypokalaemia. Aim for a serum potassium in the upper normal range, around 4.0–4.5 mmol/L, and continue replacement throughout…

…which may indicate upper airway cough syndrome. Symptoms of retrosternal burning after meals or on recumbency, frequent eructation, hoarseness, and throat pain may point toward…

…The upper 99% limits of normal for corrected QT (QTc) values in the general population are 450 ms for men and 460 ms for women…

…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…

…identify the underlying mechanism. Clinical Presentation and Symptoms Angina and anginal equivalents Chest pain or discomfort remains the cardinal symptom of CCS, but presentations are…

…may represent a more favorable profile, as the upper limit of the "healthy" range can still harbor significant metabolic risk. 3 For patients with a…

…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…

…as occurs during acute MI. If the preprocedural concentration is above the 99th percentile upper reference limit, it must be stable or falling before a…

…hepatic uptake and disposition. Clinical presentation and symptoms Typical SAMS consists of: Symmetric muscle pain Muscle aching or soreness Weakness, often perceived or functional Predominant…

…chest pain is usually described as pressure, squeezing, or a crushing sensation across the precordium and may radiate to the neck, shoulder, jaw, back, upper…

…with cTnT. Normal values (reference values) URL (upper reference limit) : The URL is the upper normal limit of troponin in a normal (healthy) population. It…

…managed as a distinct clinical entity. The hallmark of stable coronary artery disease is exercise related angina pectoris (chest pain); symptoms of ischemia appear during…

…may be used to diagnose myocardial ischemia and infarction. Symptoms – Patients with acute myocardial infarction may present with typical ischemic chest pain, or with dyspnea…

…also I and aVF). Arrhythmias Sinus tachycardia Sinus tachycardia exists if the heart rate is higher than the upper normal limit. Sinus tachycardia can exceed…

…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…

…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…

…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…

…managed as a distinct clinical entity. The hallmark of stable coronary artery disease is exercise related angina pectoris (chest pain); symptoms of ischemia appear during…

…complexes. P waves may occur on the ST T segment ( Figure 1 , upper panel). The atrial rate is typically faster than the ventricular rate. It…

…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…