…claudication, the ankle pressure is measured immediately after treadmill walking or after repeated heel raises. A fall of ≥ 20 % after exercise confirms peripheral arterial disease…

…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…

…Consequently, isolated systolic hypertension and widening pulse pressure are common in later life. These changes contribute to the complexity of defining an appropriate treatment target…

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

…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…

…and higher doses of bupropion, among others, can raise the blood pressure. Serotonin syndrome can also cause autonomic instability and hypertension [4]. Step 2: look…

…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…

…of kinetic and pressure energy at two separate points can be formulated as follows: Formula 1 : P 1 + K 1 = P 2 + K 2…

…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…

Cardiology Emergency medicine Definition and Pathophysiology A hypertensive emergency is severe blood pressure elevation accompanied by acute hypertension mediated target organ damage (HMOD). The European…

…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…

…a life threatening clinical syndrome in which increased intrapericardial pressure compresses the heart and impairs ventricular filling. It generally results from accumulation of pericardial fluid…

…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…

…Condition Overall strategy Common first choices : : : Acute aortic syndrome Immediate rate control and rapid reduction of the systolic blood pressure towards 100 to 120 mmHg…

…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…

…Indications Short term management of hypertension, including hypertensive emergency. Mechanism of action • Systemic Dopamine 1 (D1) receptor agonist. • Lowers blood pressure while maintaining or increasing…

…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…

…Only a minority of patients presenting with acute chest pain ultimately have ACS; reported rates are generally 5–10%, although some series report 10–20%…

…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)…

…diabetes [4]. Associated Findings: The sudden onset of symptoms coupled with diaphoresis should always raise concern for a cardiovascular cause [4]. 2. Aortic Dissection Pain…

…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…

…benefit should be considered and discussed. Where blood pressure is more than 20/10 mmHg above the treatment goal, lifestyle and pharmacological treatment should be…

…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…

…responds to increased ventricular pressure/volume by increasing its contractility. The Frank Starling mechanism is amplified by the positive inotropic effects of the sympathetic stimulation…

…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…

…lower the angle to close to the plane of the skin and advance a further 1–2 mm so that the catheter tip also lies…

…does not feel the pressure sore. Preparation and equipment Material Comment : : Stockinette Innermost against the skin, protects against the edges of the cast Padding The…

…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…