…toe pressure < 30 mmHg. Decompensated heart failure — compression of both legs acutely increases preload. Untreated deep vein thrombosis in the acute phase. Septic phlebitis…

…substantially from normal circumstances. The purpose of CPR is to create large variations in intrathoracic pressure by compressing, decompressing and ventilating. These maneuvers result in…

…deciding the level of amputation. Contraindications There are no absolute contraindications. Refrain or modify in: Deep vein thrombosis in the leg — cuff compression should be…

…and neonatologist is critical. Cardiopulmonary resuscitation (CPR) should generally adhere to the standard adult guidelines, encompassing chest compressions, ventilation, pharmacological interventions, and defibrillation according to…

…renders chest compressions futile. Hypoxia : Hypoxia is common in traumatic cardiac arrest and can arise from a range of injuries. Any trauma impairing ventilation or…

…increased intrapericardial pressure, which in turn affects ventricular relaxation (and thus ventricular filling). This may even lead to compression of the ventricles during diastole; cardiac…

…antero lateral) does not affect success, but active compression of the pads lowers defibrillation thresholds and improves success, and maximum fixed energy shocks outperform low…

…al ). ETCO 2 trends can vary during CPR depending on various factors such as the cause of cardiac arrest, compression efficacy, ventilation depth and frequency…

…Etiologies of tension pneumothorax include: Traumatic injuries (blunt force, lacerations, gunshot wounds) Asthmatic episodes Iatrogenic events (e.g., during central venous catheter insertion) Underlying lung…

…without the need for chest compressions. ECMO is considered in individuals who can survive with satisfactory quality of life if the circulation is temporarily supported…

…compression. This impaired tissue perfusion can extend injury beyond the initial ischemic zone and contributes to ventricular failure. Mechanisms of Shock The central consequence of…

…in the presence of a tamponade, chest compressions have limited efficacy. Furthermore, administering large tidal volumes might inadvertently elevate intrathoracic pressures, additionally compromising venous return…

…myocardial contractility and heart rate. Coronary compression and a Venturi or “suction” effect have been proposed as mechanisms of inducible ischaemia. The functional impact depends…

…As intrapericardial pressure rises, the right atrium and right ventricle are compressed, with elevation of their diastolic pressures. Right sided filling becomes increasingly dependent on…

…the investigation will be usable. Ambulatory blood pressure monitoring (ABPM) Indications Confirmation of newly detected hypertension — recommended before treatment is started . Suspected white coat hypertension…

…and tissue inflammation produce extravascular compression. In the most severe form, termed no reflow, structural and functional microvascular impairment persists despite restoration of epicardial flow…

…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…

…is available; in VF/VT only after the 3rd defibrillation 0.01 mg/kg (0.1 mL/kg of 0.1 mg/mL), maximum 1…

…involves the use of chest compressions, as well as possibly ventilation and automatic external defibrillator (AED). Return of Spontaneous Circulation (ROSC) : Return of mechanical cardiac…

…resuscitation (CPR). Prompt delivery of chest compressions, ventilations and defibrillation (when possible) are the strongest determinants of survival in cardiac arrest. All subsequent actions require…

…4 to 10 minutes Compressions and ventilation, followed by defibrillation Metabolic phase 10 minutes Unknown Table 1 . The 3 phase model of sudden cardiac arrest…

…during active compressions is challenging; however, subcostal windows might be feasible, particularly during brief pauses. An enlargement of the right ventricle is suggestive of pulmonary…

…load (the ventricle is empty or nearly empty). In patients with an initial shockable rhythm, compressions and ventilation can extend the duration of the shockable…

…collapse (e.g., with sustained ventricular tachycardia). Experimental and clinical understanding of hypoxic neuronal cell death stems largely from studies in stroke, which differs pathophysiologically…

…possible. Airway management should not interrupt compressions for more than 5 seconds. The effect of cricoid pressure and gastric insufflation remains uncertain ( Panchal et al )…

…In regards to cardiac arrest, BLS includes delivering high quality chest compressions, ventilations and use of an automatic external defibrillator (AED). BLS courses are provided…

…together promote left ventricular hypertrophy and kidney injury. The syndrome is therefore both a clinical risk factor cluster and a marker of broader metabolic dysfunction…

…Continued bleeding despite compression and cautery (packing). Contraindications Cautery: Type Contraindication : : Absolute The source of bleeding cannot be identified Relative A pacemaker or ICD when…

…interstitial edema, and tissue inflammation promote extravascular compression, exacerbating myocardial injury. Clinical Presentation and Symptoms In up to one half of STEMI cases, a precipitating…

…cause: Diminished heart sounds Disappearance of the friction rub Loss of the apical impulse Electrical alternans on the ECG Compression of the left lung base

…What usually ruins the examination is not the technique but the handling of the specimen — an aspirate that clots before the smears are made is…

…extrinsic compression, myocardial bridging and radiation induced coronary disease. The distinction between UA and NSTEMI has become increasingly dependent on the use of highly sensitive…

…important indication and an emergency procedure . An unclear arthritis, as part of the diagnostic work up. Haemarthrosis after trauma. A symptomatic effusion causing pain or…

…JE, Gwyther R, Kirkman E. Closed chest compressions reduce survival in an animal model of hemorrhage induced traumatic cardiac arrest. Resuscitation 2019;140: 37 42…

…JE, Gwyther R, Kirkman E. Closed chest compressions reduce survival in an animal model of haemorrhageinduced traumatic cardiac arrest. Resuscitation 2019; 140:37 42. Endo…

…lowest rib and the iliac crest, at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement…