…during central venous catheter insertion) Underlying lung pathologies In cases of benign pneumothorax, positive pressure ventilation can precipitate a tension pneumothorax, leading to circulatory collapse…

…cases of cardiac tamponade, conventional chest compressions are ineffective. This is explained by the elevated intrapericardial pressure due to the tamponade. The increased pressure causes…

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

…increase the likelihood of cardiovascular collapse when PCI fails or flow is severely compromised. Clinical Presentation No reflow may become apparent during or immediately after…

…pressure (MAP) above 65 mmHg, consider the initiation of vasopressor therapy . Potential vasopressor agents include: Norepinephrine Phenylephrine Vasopressin Prioritize the collection of blood cultures to…

…long for thick soft tissue and for the head of the humerus. A pressure bag or a 50 mL syringe with a three way tap…

…No flow time : The duration (minutes) from circulatory collapse to initiation of CPR. During no flow there is no cerebral perfusion and brain damage progresses…

…need investigation on the basis of an isolated, asymptomatic low sensor reading alone. Symptoms Autonomic symptoms Early warning symptoms are due to sympathetic activation: sweating…

…obstruction of pulmonary blood flow increases RV pressure load and may impair RV filling and forward output. The resulting syndrome may progress to systemic congestion…

…ventricle are compressed, with elevation of their diastolic pressures. Right sided filling becomes increasingly dependent on the fall in intrathoracic pressure during inspiration. The inspiratory…

…venous thrombosis – due to risk of embolization Relative contraindications for exercise ECG Severe hypertension (systolic blood pressure 200 mmHg or diastolic blood pressure 110 mmHg)…

…that the efficacy of these interventions is much lower or uncertain. Indeed, the greatest opportunities for survival exist during the first few minutes from collapse…

…approximately 5–10%. Only about 10% of patients who develop shock present with it at hospital admission; approximately 90% deteriorate during hospitalization. Patients who develop…

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

…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…

…to the width of the loop in Figure 1. The area within the loop is the stroke work (SW) , which is discussed below. The pressure…

…White coat hypertension Raised Normal Masked hypertension Normal Raised Established hypertension Raised Raised Nocturnal dipping: the pressure normally falls by 10–20 % during the night…

…an increased risk of cardiovascular diseases, such as stroke, and mortality. Stability : MAP readings tend to be more accurate than systolic blood pressure when using…

…Conversely, a rapid rise in blood pressure from a previously low level can cause organ damage at lower values, for example in pregnancy, acute glomerular…

…pressure gradient ≥ 5 mmHg Valve area according to the continuity equation (cm²) ≤ 1 cm² ZTime velocity integral of the tricuspid inflow (cm) 60 cm Pressure…

…aortic pressure. FFR ranges from 0 to 1; a normal value is approximately 0.94–1.0. The physiological basis of FFR is that, during…

…and pressure energy (P) of blood must be equal in two separate points in the system (Figure 1). Figure 1. The Bernoulli principle. According to…

…does lead to tachypnea (increased respiratory rate), which should, however, be distinguished from dyspnea which is shortness of breath. Dyspnea may be due to poor…

…pulsatile pressure during diastole. It corresponds to disappearance of Korotkoff sounds; if sounds persist, the fourth Korotkoff sound is used. Office blood pressure: blood pressure…

…Nitroprusside Figure 1. The approximate position of each drug according to its vasoconstrictor effect (vertical axis) and its positive inotropic effect (horizontal axis). Grey =…

…Dobutamine Cardiogenic shock Bradycardia (second line therapy) Stress testing (due to induced increase in myocardial O 2 consumption) Regular : 2.0–20 μg/kg…

…present Factors that may be contributing to elevated blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ damage Existing cardiac…

…0.4 0.8 2.1 Table 1. Survival in out of hospital cardiac arrest due to external causes ( Kitamura et al). References DeBehnke DJ…

…Dobutamine Cardiogenic shock Bradycardia (second line therapy) Stress testing (due to induced increase in myocardial O 2 consumption) Regular : 2.0–20 μg/kg…

Referensvärden Haemodynamic measurements become interpretable only when related to one another. A low blood pressure may be due to low flow, low vascular tone or…

…intoxication, or other sympathomimetic exposure, including methamphetamine. Abrupt withdrawal of antihypertensive medication, particularly clonidine, can also precipitate a hypertensive crisis. Pregnancy Hypertensive emergencies in pre

…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…

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…

…Time to onset of action: 2 to 5 minutes Duration of action: 5 to 10 minutes. Adverse effects Headache (cerebral vasodilation). Tachycardia (due to reflex…

…or visceral, adipose tissue is more closely related to insulin resistance and the risk of diabetes and cardiovascular disease than total adiposity alone. The waist…

…disorder characterized primarily by elevation of pulmonary arterial pressure. It may arise from pulmonary vascular disease, left sided cardiac disease, chronic lung disease or hypoxia…

…directly observed treatment or detection of prescribed drugs in blood or urine. The terms “controlled resistant hypertension,” referring to blood pressure controlled with four or…

…a person of working age Blood pressure Measure initially in both arms if this does not delay reperfusion treatment. A large side to side difference…

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

…to oxygenation requirement SpO₂ 92–96% The pressure support is the difference between IPAP and EPAP, and it is this that does the work of…

…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…

…to strive for. Ventilation In ARDS: a tidal volume of 4–8 mL/kg ideal body weight, a plateau pressure ≤ 30 cmH₂O, a driving pressure…

…pressure lowering effect. Pain relief. Delivery IV, IM, PO, transdermal Dose Injection IV: • 150 μg in 1 ml vial. Dilute with 10 ml of…

Enalaprilat Enalaprilat is rarely used in hypertensive crisis due to its slow onset, prolonged duration of effect, and significant individual variations in its effect. Drug…

…min. Maximum infusion dose: 300 μg/kg/min. Bolus doses of 300 μg/kg can be repeated during infusion. Adverse effects Flushing. Nausea…

…blood pressure while maintaining or increasing kidney perfusion. Effects Dopamine 1 receptor agonists lower systemic blood pressure and increase renal perfusion. Time to onset of…

…stenosis due to risk of hypotension. Clevidipine doses and administration in hypertension. Nicardipine Drug Nicardipine Brand names Cardene ® Indications Hypertension, hypertensive emergency/crisis. Pregnancy…

…acute heart failure. • Used cautiously in patients with asthma (due to risk of bronchospasm). • Used cautiously in bradycardia due to negative chronotropic effect. Metoprolol doses…

…and monitor the patient closely to avoid cyanide toxicity. • Dose dependent reduction in coronary and renal perfusion. • Dose dependent elevation of intracranial pressure (ICP) and…

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

…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…

…is myocardial ischaemia caused by an acute coronary process. Myocardial injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial…

…mortality due to stopping statins. There are three main questions discussed in media, blogs and on social plattforms: Is high cholesterol a true cause of…

…that mimics angina pectoris [5]. This pain is thought to result from right ventricular ischemia that develops during physical exertion [5]. Associated Findings: Exertional dyspnea…

…tolerance Reproduction and characterization of symptoms Heart rate and blood pressure responses to exercise Detection of exercise induced arrhythmias Identification of exercise related ST segment…

…but blood pressure in the range of 120–139/70–89 mmHg, concomitant indications and overall cardiovascular risk influence whether medication is added to lifestyle…

…HbA1c) reduction, blood pressure, lipids and smoking cessation. Weight loss was considered extremely difficult across patient categories. However, the emergence of incretin based therapies, starting…

…a byproduct of aerobic metabolism, is transported from the tissues back to the lungs where it is exhaled. The final partial pressure of carbon dioxide…

…increases due to the fact that systolic blood pressure increases during exercise. The increase in cardiac output during moderate exercise is the result of increased…