…arm. 2. Ankle pressure. Place the cuff just above the malleoli, with its lower edge about 2 cm above the tip of the malleolus. 3…

…stays above about 7.20. Different targets apply when the intracranial pressure is raised: normocapnia (PaCO₂ 4.5–5.0 kPa) and avoidance of hypoxia…

…compression (20–30 mmHg) under vascular surgical supervision Diabetes with neuropathy Reduced compression, closer monitoring — the patient cannot feel pressure injury Peripheral neuropathy of other…

…balanced crystalloid in the first instance. Give small boluses, for example 250 to 500 mL, with immediate reassessment of the blood pressure, pulse, peripheral perfusion…

…by home measurement or 24 hour recording — the thresholds for which are lower than for office measurement. Classification of office blood pressure Category Systolic Diastolic…

…cardiovascular benefits of blood pressure lowering among the frailer participants enrolled in trials. In contrast, observational studies have sometimes suggested that lower blood pressure may…

…results in lower generated pressure and ultimately smaller stroke volume. Two dimensional (2D) and three dimensional (3D) echocardiography allows for the calculation of stroke volume…

…and with a measurement interval of no more than 30 minutes throughout the 24 hours. Phenotype Office blood pressure ABPM : : : Normotension Normal Normal White coat…

…CO × SVR) + Central Venous Pressure (CVP) This equation illustrates that MAP is determined by the volume of blood the heart pumps and the resistance encountered…

…at lower values, for example in pregnancy, acute glomerular disease or scleroderma renal crisis [1,2]. A hypertensive emergency means a markedly raised blood pressure…

…American Society of Echocardiography 30 (4), pp. 303–371. DOI: 10.1016/j.echo.2017.01.007. – Pubmed Link Tricuspid valve stenosis Mean pressure gradient…

…the functional significance of an epicardial coronary stenosis. It is defined during maximal pharmacological coronary vasodilation as the ratio of mean pressure distal to the…

…pressure gradient equals: 4·3 2 = 36 mmHg. The pressure gradient between the right ventricle and the right atrium is 36 mmHg. Disadvantages of…

…compared with chest pain and dyspnea, a poor predictor of cardiovascular and all cause mortality. However, leg fatigue must be registered. 2. Exercise performance (functional

…Ambulatory blood pressure monitoring (ABPM): automated measurement, usually over 24 hours, at predefined intervals. Inter arm difference: a sequential systolic difference of 10 mmHg between…

…Beta 2 adrenergic receptors: expressed in vascular smooth muscle. Activation results in vasodilatation. D1 and D2 (dopamine receptors): activation of D1 and D2 in the…

Info Inotropes and vasopressors Vasopressors induce vasoconstriction and increase mean arterial pressure (MAP). Inotropes increase cardiac contractile force (contractility). Several endogenous and synthetic agents exist…

…because it can increase blood pressure and may affect interpretation of the clinical picture. A 24 hour urine collection for electrolytes can be used to…

…course of asphyxia Should ventilation be entirely inhibited (as seen in acute airway obstructions), a rapid decline in blood oxygen saturation ensues. Within 1 2…

Cardiology Inotropes and vasopressors Vasopressors induce vasoconstriction and increase mean arterial pressure (MAP). Inotropes increase cardiac contractile force (contractility). Several endogenous and synthetic agents exist…

…of perfusion Parameter Normal Comment : : : Heart rate 50–100/min MAP 70–105 mmHg Target ≥ 65 mmHg in shock; higher in known hypertension Pulse pressure…

…requiring the most rapid BP response. The objective is to reduce aortic wall shear stress and rapidly lower systolic pressure. Renal and microvascular complications Renal…

…the blood pressure lowering effect persists for a duration of 3 to 4 days post infusion, thereby providing extended therapeutic benefits. 2 Infusion of levosimendan…

…with outflow tract obstruction Caution Tachyarrhythmia or bradyarrhythmia Rate control first Blood pressure 200/110 mmHg at rest Treat first Electrolyte disturbance Correct Second or…

…min to desired blood pressure. Maximum dose: 100 μg/min. Time to onset of action: 2 to 5 minutes Duration of action: 5 to…

…It generally results from accumulation of pericardial fluid, blood, or, less commonly, a mass. Tamponade occurs when intrapericardial pressure equals or exceeds right atrial pressure…

…clustering of cardiometabolic abnormalities centred on abdominal adiposity, insulin resistance, dyslipidaemia, elevated blood pressure and impaired glucose regulation. Diagnosis is based on the coexistence of…

…the results of all relevant investigations. Haemodynamic definition At rest, PH is defined invasively by a mean pulmonary arterial pressure (mPAP) greater than 20 mmHg…

…blood pressure despite multidrug treatment rather than through specific symptoms. The clinical importance lies in its association with: Increased cardiovascular disease risk; Greater risk of…

…aphasia, hemianopia or hand paresis in a person of working age Blood pressure Measure initially in both arms if this does not delay reperfusion treatment…

…without delay, in any of the following: A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and…

…Choice of method and settings Condition Method Starting pressure Escalation Oxygen target : : : : : Cardiogenic pulmonary oedema CPAP 5–7.5 cmH₂O Increase in steps of 2…

…globe — because a perforated eye must never be instrumented, have its pressure measured, or be palpated. Indications A sensation of something in the eye, watering…

…defines the condition. A rapid rise in blood pressure can cause serious organ damage even at lower levels, particularly in pregnancy [1,2]. Malignant hypertension…

…acting alpha 2 agonist. Stimulation of alpha 2 adrenoceptors in the ventromedial and rostral ventrolateral areas of the medulla result in the blood pressure lowering…

…metabolite (ester) of enalapril, an angiotensin converting enzyme (ACE) inhibitor. Enalaprilat lowers blood pressure by inhibiting ACE. Effects • The hypotensive effect of enalaprilat depends on…

…Time to onset of action 1 minute Duration of action 20 30 minutes Delivery IV Dose Loading dose: 500 μg/kg bolus over 1…

…Mechanism of action • Systemic Dopamine 1 (D1) receptor agonist. • Lowers blood pressure while maintaining or increasing kidney perfusion. Effects Dopamine 1 receptor agonists lower systemic…

…filling pressures. • Clevidipine is more effective than nitroglycerin, nitroprusside, and nicardipine in hypertensive emergencies. Time to onset of action 2 4 minutes Duration of action…

…Less pronounced blood pressure lowering effect than esmolol and labetalol. Time to onset of action 20 minutes Duration of action 5 to 8 hours Delivery…

…Effects Potent blood pressure lowering. Antianginal effect. Reduces afterload and preload. Effective in pulmonary edema. Can produce severe hypotension. Time to onset of action 30…

…reduces blood pressure while increasing catecholamine activity. Effects Primarily causes afterload reduction. Time to onset of action 1 to 2 minutes Duration of action 10…

…adherence. Selection should be individualized according to blood pressure, heart rate, left ventricular function, comorbidities, concomitant medications, potential drug interactions, the presumed mechanism of ischaemia…

…symptom. It includes pain, pressure, tightness, heaviness, burning, or discomfort in the chest and may extend to the arms, shoulders, neck, jaw, upper back, abdomen…

…has been translated into remarkable advances in the management of coronary artery disease, as demonstrated in the figure below (from Nabel et al, NEJM, 2014)…

…than chest pain itself, encompassing symptoms like tightness, pressure, and discomfort in the chest, arms, neck, jaw, upper back, and abdomen, as well as dyspnea…

…increases in heart rate, myocardial contractility and blood pressure. When coronary blood flow cannot increase adequately because of flow limiting disease, myocardial ischaemia may develop…

…on the complementary mechanisms of drugs from different classes. By acting on more than one pathophysiological pathway, combinations generally lower blood pressure more effectively than…

…decades, the management of type 2 diabetes mellitus (T2DM) and obesity was siloed, with clinicians focusing primarily on hemoglobin A1c (HbA1c) reduction, blood pressure, lipids…

…transition of air from anatomical dead space to functional alveolar space. Phase III (Alveolar Plateau) : ETCO 2 is the recorded CO 2 partial pressure just…

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

…causes constriction of the veins, which increases the venous return to the heart. Contracting muscles function as a pump that propels blood back to the…

…dimensional (2D) echocardiography and Doppler studies are sufficient to study velocities, volumes, and pressure conditions in the heart. These techniques allow for the calculation of…

…filling pressures. • Clevidipine is more effective than nitroglycerin, nitroprusside, and nicardipine in hypertensive emergencies. Time to onset of action 2 4 minutes Duration of action…

…ineffective. The likelihood of successful defibrillation is high in coarse VF (the early phase), but diminishes rapidly as the waveform becomes finer (Figures 2, 3…

…contents move under pressure; cellulitis instead gives a diffuse oedematous picture without a demarcated fluid collection. Ultrasound also shows the depth of the cavity and…

…appears in the hub: lower the angle to close to the plane of the skin and advance a further 1–2 mm so that the…

…in the plaster become pressure points against the skin. 6. Fold the ends of the stockinette back over the edge of the cast and smooth…

…dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted…

…fracture, major surgery and intensive care [1,2]. The condition is associated with falls, aspiration, pressure sores, loss of function, longer length of stay, institutional…