…do not delay treatment of a neurologically compromised patient. Continuous glucose monitoring reflects interstitial glucose and lags behind the blood glucose during rapid changes. Pressure…

…Classification of office blood pressure Category Systolic Diastolic : : : : : Optimal < 120 and < 80 Normal 120–129 and/or 80–84 High normal 130–139…

…vasoactive treatment. Conditions in which blood pressure must be kept within narrow limits: aortic dissection, intracerebral haemorrhage, after cardiac arrest. Repeated blood gases, for example…

…ventricle counteracts by developing hypertrophy. Hypertrophic cardiomyopathy implies left ventricular hypertrophy under normal loading conditions. Recommended reading Ventricular Pressure Volume Relationship: Preload, Afterload, Stroke Volume…

…T2DM) and obesity was siloed, with clinicians focusing primarily on hemoglobin A1c (HbA1c) reduction, blood pressure, lipids and smoking cessation. Weight loss was considered extremely…

…blood pressure alone. Predictive Value : Elevated MAP has been associated with an increased risk of cardiovascular diseases, such as stroke, and mortality. Stability : MAP readings…

…expectancy. Available randomized evidence has not demonstrated that frailty weakens the cardiovascular benefits of blood pressure lowering among the frailer participants enrolled in trials. In…

…the patient has not kept a diary. The set up and the instructions decide whether the investigation will be usable. Ambulatory blood pressure monitoring (ABPM…

…up, but not necessarily acute normalisation in the emergency department [1,3]. Step 1: confirm the blood pressure and stabilise the patient Immediate assessment 1…

…Exercise performance (functional capacity, exercise capacity) Heart rate: maximal heart rate, heart rate response Blood pressure reaction ECG reaction: ST changes, T wave changes, arrhythmias…

…blood flows into the left ventricle. This results in a rapid increase in left ventricular volume, but only a small increase in left ventricular pressure…

…It follows that the sum of kinetic energy (K) and pressure energy (P) of blood must be equal in two separate points in the system …

…stress, as it provides additional diagnostic and prognostic information, including symptoms, heart rate response, blood pressure changes, ECG changes, arrhythmias, and exercise (functional) capacity. Functional…

Cardiology Definition and pathophysiology Blood pressure is a continuous cardiovascular exposure rather than a binary distinction between normotension and hypertension. Its long term relationship with…

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…

…cited recommendation as blood pressure ≥140/90 mmHg. Screening is particularly pertinent in the presence of hypokalaemia or treatment resistance. Hypokalaemia should not be permitted…

CPR Hypoxia and asphyxiation Hypoxia refers to a reduced partial pressure of oxygen in the blood. Asphyxia is characterized by insufficient ventilation, leading to hypoxia…

…low blood pressure may be due to low flow, low vascular tone or both, and the appropriate action differs fundamentally between these cases. Pressures in…

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…

…nitroglycerin regularly may have developed tolerance and require higher doses, alternatively nitroprusside to achieve desirable blood pressure lowring effect. Drug Nitroglycerin Brand names Gonitro ®…

…elevated blood pressure and impaired glucose regulation. Diagnosis is based on the coexistence of defined clinical and laboratory components; the diagnostic criteria themselves are not…

…material does not describe a distinctive symptom profile for resistant hypertension. In clinical practice, the condition is identified primarily through persistently elevated blood pressure despite…

…that govern blood flow are fundamental in echocardiography. Conventional two dimensional (2D) echocardiography and Doppler studies are sufficient to study velocities, volumes, and pressure conditions…

…abrupt changes in blood pressure activate autonomic reflexes that influence the haemodynamic result. Reflex tachycardia is the rule after a rapid fall in blood pressure…

…intracranial pressure (ICP) and reduction in cerebral blood flow. Caution • Used cautiously in patients with high intracranial pressure or azotemia. • Should not be given to…

…crisis. Mechanism of action Phentolamine is a non selective alpha adrenergic blocker. Phentolamine reduces blood pressure while increasing catecholamine activity. Effects Primarily causes afterload reduction…

…intrapericardial pressure. The jugular venous waveform typically has a prominent x descent and an absent or markedly reduced y descent. The clinical impact depends not…

…mild inotropic effect. Increases systolic pressure, diastolic pressure and pulse pressure with minimal effect on CO. Minimal chronotropic effect. Increases coronary blood flow. Atrial or…

…that the aortic valve leaks during diastole, such that blood regurgitates back from the aorta into the left ventricle. This results in volume overload in…

…mild inotropic effect. Increases systolic pressure, diastolic pressure and pulse pressure with minimal effect on CO. Minimal chronotropic effect. Increases coronary blood flow. Atrial or…

…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…

…rapid rise in blood pressure can cause serious organ damage even at lower levels, particularly in pregnancy [1,2]. Malignant hypertension is not entirely synonymous…

…not the list of poisons. Stabilisation according to ABCDE, the plasma glucose, a blood gas and an ECG all come before complete identification of the…

…2 adrenoceptors in the ventromedial and rostral ventrolateral areas of the medulla result in the blood pressure lowering effect. Effects Potent blood pressure lowering effect…

…an angiotensin converting enzyme (ACE) inhibitor. Enalaprilat lowers blood pressure by inhibiting ACE. Effects • The hypotensive effect of enalaprilat depends on plasma volume and plasma…

…beta adrenergic receptor blocker. • Esmolol lowers blood pressure immediately (within 1 minute) • Esmolol may also be used to control supraventricular tachycardia (rate control). • Esmolol may…

…receptor agonist. • Lowers blood pressure while maintaining or increasing kidney perfusion. Effects Dopamine 1 receptor agonists lower systemic blood pressure and increase renal perfusion. Time…

…or conduction. Clevidipine reduces mean arterial blood pressure (MAP) by decreasing systemic vascular resistance (SVR). Clevidipine does not reduce cardiac filling pressure (pre load), since…

…blocker. Effects Lowers blood pressure, reduces heart rate, myocardial oxygen consumption and myocardial contractility. Less pronounced blood pressure lowering effect than esmolol and labetalol. Time…

…reducing myocardial ischaemia and relieving anginal symptoms, while maintaining tolerability and adherence. Selection should be individualized according to blood pressure, heart rate, left ventricular function…

…high blood pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction. However, association is not…

…The exercise response is not confined to the ECG. Ischaemia may also produce angina, impaired exercise capacity, an abnormal blood pressure response or ventricular arrhythmias…

…moderate to severe frailty, or very old or frail patients who may not tolerate rapid blood pressure reduction. Initial Combination Therapy General Strategy For most…

…diastolic blood pressure is not affected by exercise (occasionally it may even drop up to 10 mmHg). Mean arterial pressure (MAP) increases due to the…

…or conduction. Clevidipine reduces mean arterial blood pressure (MAP) by decreasing systemic vascular resistance (SVR). Clevidipine does not reduce cardiac filling pressure (pre load), since…

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

…failure (HF) is a clinical syndrome in which the heart cannot deliver blood at a rate appropriate to tissue requirements unless filling pressures are elevated…

…This results in blood being propelled forward (assuming that valvular function is normal). Unfortunately, the compressions also increase pressure in the thoracic veins (paravertebral veins…

…Physical examination should therefore focus on: Blood pressure and evidence of hypotension Heart rate and tachycardia Respiratory rate and oxygenation Evidence of systemic congestion or…

…compartments. Heart failure is defined physiologically by the inability of the heart to provide blood flow appropriate to tissue requirements unless filling pressures are elevated…

Cardiology Respiratory medicine Definition and Pathophysiology Pulmonary hypertension (PH) is a heterogeneous pathophysiological disorder characterized primarily by elevation of pulmonary arterial pressure. It may arise…

…Potential reasons for a flat ETCO2 curve include: Ventilator or capnograph not activated. Displacement of the tracheal tube. Cardiac arrest without adequate blood flow or…

…Continuous Doppler through the pulmonary valve reveals regurgitant blood flow in the parasternal short axis view. Pressure gradient and pressure half time (PHT) are also…

…ultrasound gel, a blood pressure cuff of the correct size (the width should correspond to about 40 % of the circumference of the limb), a manual…

…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…

…not after the sore has developed. Humidification, suction and the facility to give nebulised drugs within the circuit. Monitoring: continuous pulse oximetry, ECG, blood pressure…

…pupils, an altered breathing pattern, a rising blood pressure with bradycardia. A known or suspected intracranial space occupying lesion with mass effect and midline shift…

…mask the expected tachycardia. Aids to assessment The shock index is calculated as the heart rate divided by the systolic blood pressure. A value of…

…in systolic blood pressure during inspiration; one of the most useful signs Low voltage on the ECG, electrical alternans Supportive; it does not exclude Diastolic…