…premature ventricular contractions (PVC). As a rule, 20000 PVCs/day is required to cause cardiomyopathy. Management is aimed at restoring normal rhythm. If restoration of…

…yields more time to fill the ventricles with blood (increased ventricular filling). The person with premature beats might perceive this as palpitations, because of the…

…full recovery of contractility may take hours to days. It is generally stated that myocardium resists 20 minutes of severe hypoxia before cell death begins…

…particularly obstructive pulmonary disease, the use of theophylline, and elevated catecholamine states. EAT typically has an abrupt onset, although a brief warm up phase lasting…

…with a suspicion of STE ACS/STEMI, actually have takotsubo. Previous studies reported that 98 out of 100 cases had full recovery. More recent studies…

…to diagnosis and long term management. Clinical presentation and symptoms The source material does not describe the typical symptoms or symptom burden of uncomplicated hypertension…

…kills because the tube would not pass, but because the team keeps trying to intubate instead of changing the plan. The aim is always oxygenation…

…the 99th percentile upper reference limit (URL). The injury is considered acute if there is a documented rise and/or fall of cTn values. However…

…more concerning because it may lead to cardiac tamponade or indicate another post AMI complication, including subacute rupture. Evaluation and physical examination The diagnosis of…

…The assessment of medical suitability is made by the transplant team. Never rule out a possible donor on your own on grounds of age or…

…or a continuing rapid transfusion requirement. Obstetric haemorrhage of around 1,500 mL or more with continuing bleeding, or a smaller measured blood loss if…

…collectively dictate the urgency and modality of intervention [3] . By Duration: Non sustained VT (NSVT): Defined as three or more consecutive ventricular beats at a…

…records are incomplete. A full device check should be available within the recommended interval before elective surgery. In the absence of malfunction, a pacemaker should…

…the more efficient the pumping mechanism. Sequential activation implies that the atria are activated first and they fill the ventricles with adequate volumes of blood…

…most likely mechanism underlying typical atrial flutter is reentry. In the common form of typical atrial flutter, the reentrant circuit is confined to the right…

…of the heart to provide blood flow appropriate to tissue requirements unless filling pressures are elevated. Consequently, congestion may occur across the full range of…

…10 minutes. 3. Attach defibrillator pads if the patient is unstable or at marked risk of arrhythmia. 4. Take a full blood count, electrolytes, creatinine…

…of both hypovolaemia and venous congestion. 4. Take an urgent panel: creatinine, urea, sodium, potassium, bicarbonate or blood gas, calcium, phosphate, glucose and a full…

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…

…sample. Indications Diagnostic paracentesis: Newly detected ascites — always. Every admission of a patient with known ascites. Clinical deterioration in a cirrhotic patient with ascites: fever…

…access, a targeted history At 5 minutes A full, adequate dose of a benzodiazepine About 10 minutes Repeat the benzodiazepine once if the seizure persists…

…that bleeds because the edges are held apart. A wound through the full thickness of the dermis, particularly over joints and in cosmetically sensitive areas…

…classification is clinically useful but should not be regarded as a series of completely discrete diseases. Heart failure extends across the full range of LVEF…

…and the key trials supporting each. A more detailed mechanistic discussion of each index follows in Section 2, and a guideline oriented comparison (procedural requirements…

…is more than mild. 6. Assess the indication for antibiotics on the basis of sputum purulence, the other cardinal symptoms and the severity of the…

…line treatment is oxygen in hypoxaemia, repeated doses of an inhaled short acting β2 agonist, ipratropium in more severe attacks, and a systemic steroid given…

…of onset, wake up stroke or a late time window: perform advanced imaging according to the local protocol. 11. Document weight, agent, dose, time of…

…is not a guarantee. Where the stroke risk is high or the time of onset uncertain, choose the more cautious course. Anticoagulation Assess the risk…

…more cell lines. Suspected acute leukaemia, myelodysplastic syndrome or myeloproliferative neoplasm. Work up and staging of lymphoma and myeloma. Suspected bone marrow metastasis. Assessment of…

…technically more difficult with ultrasound Femoral vein Fastest, and does not interfere with ongoing CPR or airway management, no risk of pneumothorax Highest risk of…

…anaesthesia. Placenta praevia or ruptured membranes in pregnancy — a speculum may be used, but not digital examination until the position of the placenta is known…

…usually more dangerous than a corresponding stable chronic value [4]. The grading must not be used mechanically. A patient with a plasma potassium of 6…

…L) — choose the subcutaneous route if possible, otherwise give IM with a fine needle and 5 minutes of compression. Anticoagulant treatment is not in itself…

…two sets of blood cultures from separate peripheral punctures. Also culture from a central line if one is present 4 Take a full blood count…

…so because the patient tenses up with pain, or because the operator pulls harder rather than more slowly. The neurovascular status must be documented before…

…Warfarin has a narrow therapeutic index, a half life of several days and more than a hundred clinically relevant interactions. What determines whether the treatment…

…agents before full target doses of ACE inhibitors are reached. Medication doses should be increased to target as tolerated. Higher doses are more effective than…

Referensvärden Reference ranges are statistical: by definition they encompass 95 % of a healthy reference population, which means that one healthy value in twenty falls outside…

…An unsynchronised shock that happens to fall in the T wave can precipitate ventricular fibrillation, and cardioversion of fibrillation of unknown duration without anticoagulation can…

…for myocardial injury. Interpretation of troponin T is more complex because injured skeletal muscle may express proteins detected by some troponin T assays. Troponin can…

…with the same risk as manifest hypertension. Non dipping: a nocturnal fall in pressure of < 10% of the daytime value; an independent risk marker…

…all in diabetes. The severity of the symptoms and the patient's need for help matter more than a single measured value [2]. Level Plasma…

…Almost always Pulsus paradoxus above 10 mmHg A fall in systolic blood pressure during inspiration; one of the most useful signs Low voltage on the…

…genotypes. These medications mitigate adrenergic stimulation, thereby decreasing the likelihood of arrhythmia onset. However, beta blockers do not fully eliminate the risk. In LQT3 patients…

…variants) (1 point) E xcessive fall risk (1 point) S troke (1 point) HEMORR₂HAGES Score Risk category Incidence of major bleeding (per 100 patient years…

…an exaggerated inspiratory fall in systemic systolic blood pressure, termed pulsus paradoxus. Tamponade is therefore characterized haemodynamically by elevation and near equalization of diastolic pressures…

…factors such as smoking, family history of premature coronary disease, hypertension and hypercholesterolaemia did not fully explain the excess coronary risk. Rheumatoid arthritis RA is…

…48 hours after onset: routine primary PCI should be considered in otherwise stable patients. More than 48 hours after onset: routine PCI of an occluded…

…of the most popular ECG books and resources Recognizing that many visitors are interested in other books and online resources, we have plowed through more…

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

…has not fully repolarized by the time the next impulse reaches the ventricles, the impulse will be blocked at that point. The length of the…

…such that the vein can be fully compressed in the supine position in a cardiac arrest. For women beyond the 20 th week of pregnancy…

…is the preferred level of care for the absolute majority. The CCU may be suitable for stable (hemodynamically and respiratory) and fully conscious patients who…

CPR It is commonly stated that approximately 80% of all cardiac arrests are caused by acute or chronic coronary artery disease, with the latter being…

…to calculate stroke volume, cardiac output, pressure conditions, severity of stenoses and regurgitations, etc . These calculations are based on simple mathematical equations, which are based…

…This yields more time to fill the ventricles with blood (increased ventricular filling). Persons with premature beats might perceive this as palpitations, because of the…

…70 % of the measurements are valid , with at least 20 daytime and 7 night time values, and with a measurement interval of no more than…

…index is the cheapest and most accessible method of objectively demonstrating peripheral arterial disease, and it is needed more often than it is used — not…

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

…be used for an initial assessment of pH and the metabolic component, but it should not be regarded as fully interchangeable with an arterial sample…