…severe piperacillin–tazobactam 4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline…

…hand. These are as a rule left open. Facial bites can be sutured after careful debridement because of the cosmesis, often with antibiotic prophylaxis. Deep…

…prolapse of P2 (Figure 1). Myocardial ischemia affecting the papillary muscles or the connected myocardium may cause mitral prolapse, and thus regurgitation. Ischemia manifests with…

…are less common than inherited mutations. Clearly, not all DCM genes have been discovered. Genetic testing for DCM Genetic testing of patients with confirmed or…

…is the most common sustained cardiac arrhythmia and a profound driver of global cardiovascular morbidity and mortality, primarily due to its association with ischemic stroke…

…are also estimated using continuous Doppler. A dense regurgitant jet with rapid deceleration (short PHT) is suggestive of severe regurgitation; the leakage usually ends early…

…ventricle. Dilatation of the right atrium. Pulmonary hypertension. Left to right shunt. Right ventricular dysfunction due to pressure/volume overload is the most common cause…

…because cardiac output diminishes in parallel with increasing myocardial load (and hence oxygen demand). The most common causes of acute aortic regurgitation are aortic dissection…

…overlap with risk factors for DVT; immobilisation, surgery, hypercoagulability, and pregnancy are common risk factors (see Risk factors below). A significant proportion of cases with…

…pressure, which subsequently causes right atrial dilation. Vena cava inferior may also dilate secondarily. Principles of management Medical therapies do not alter disease progression. Diuretics…

…right heart hypertrophy, dilation and ultimately right heart failure. Echocardiography in mitral stenosis Echocardiographic assessment of mitral stenosis includes visual and 2D imaging, as well…

…the contraction of smooth muscle cells. As compared with nitroprusside, nicardipine induces relatively greater venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary…

…the contraction of smooth muscle cells. As compared with nitroprusside, nicardipine induces relatively greater venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary…

…less common. The following genes are associated with ARVC: CTNNA3 DES DSC2 DSG2 DSP JUP LMNA PKP2 PLN RYR2 TGFB3 TMEM43 TTN Clinical characteristics of…

…reference to the intravenous antihypertensive drugs used in a hypertensive emergency. It summarises the mechanism of action, the onset, the duration of effect, the dosing…

…and of ventricular end diastolic and residual volumes. Experimental and clinical observations with a precordial dilution technic. Circulation. Redfield et al: Heart Failure with Preserved…

…and this leads to dilatation. The most common cause is valvular regurgitation (insufficiency). For example, aortic regurgitation causes the flow of blood from the aorta…

…common and essential terms used in resuscitation science, providing a foundation for understanding subsequent chapters. SCA (Sudden Cardiac Arrest) : Sudden and unexpected cardiac arrest with…

…Overview of the normal electrocardiogram (ECG / EKG) Figure 1. The classical ECG curve with its most common waveforms. Important intervals and points of measurement are…

…overview of the waves and intervals is given. Figure 1. The classical ECG curve with its most common waveforms. Important intervals and points of measurement…

…of serious morbidity or mortality, underscoring the need for a structured and guideline directed approach. This chapter focuses on practical diagnostic and therapeutic considerations, with…

ECG Hypertrophy and dilatation Biventricular hypertrophy Simultaneous hypertrophy of the left and right ventricle is rather common. The ECG has low sensitivity with respect to…

…choice of site, the use of ultrasound throughout the puncture, and maintaining maximal barrier precautions without shortcuts. The most common serious error is dilating a…

…is very common. Figure 2. Two ECGs showing left and right ventricular hypertrophy. Next chapter Biventricular Hypertrophy Related chapters Overview of Hypertrophy and Dilatation Left…

…mitrale, because mitral valve disease is a common cause (Figure 1). The duration of the P wave will exceed 120 milliseconds in lead II. Biatrial…

…causes of pericarditis can result in constrictive pericarditis. In high income countries, idiopathic pericarditis, radiation to the pericardium and surgical interventions are the most common…

…a patient on digoxin treatment 1 ECG signs of left atrial enlargement 3 Left axis deviation 2 QRS duration ≥90 milliseconds 1 Prolonged R wave…

…volume filling of the chambers. At normal filling volumes, the pericardium is very indulging and thus allows rapid ventricular filling. If the dilatation of the…

…and nicardipine in hypertensive emergencies. Time to onset of action 2 4 minutes Duration of action 5 15 minutes Delivery IV (infusion). Dose Initial dose:…

…decrease (e.g due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude)…

…decrease (e.g due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude)…

…setting of ischemia. Normal T wave inversion An isolated (single) T wave inversion in lead V1 is common and normal. It is generally concordant with…

…These require a QRS duration exceeding 140 msec in males and 130 msec in females , along with slurring or notching of the mid QRS in…

…with tamponade, and less common causes such as severe pre existing valvular disease or excessive beta blocker or calcium channel blocker exposure. The incidence of…

…Increased as necessary (increments of 0.5 μg/kg/min). Maximum dose: 8 10 μg/kg/minute. Common maximum dose: 3 μg…

…newly developed during management of an acute illness. The clinical relationship between AF and acute deterioration is often bidirectional. AF with a rapid ventricular response…

…with elevated risk. These approaches are not alternatives: both are required to reduce the overall cardiovascular burden. Pathophysiological and Epidemiological Basis The lifetime burden of…

…and T) has been validated. The risk of interference with antibodies in the blood is higher for troponin I (cTnI). Antibody interference is a rare…

…of phosphate substitution, use of foscarnet. ECG changes due to hypocalcemia Common ECG changes Lengthened QT interval (torsade de pointes is uncommon) Shortened QRS duration…

…Causes of tachycardia (tachyarrhythmia) with wide QRS complexes (QRS duration ≥0,12 s) : ventricular tachycardia is the most common cause and it is potentially life…

…normal (QRS duration < 0.12 s), unless there is a intraventricular conduction defect. The ventricular rhythm is regular (as is the atrial) with a…

…less common. Levosimendan may be administered simultaneously with milrinone. The drugs can also be given sequentially. Hypotension can be counteracted with simultaneous administration of norepinephrine…

…90% of males aged 40 years or younger display this). Hence, the authors have confused a completely benign condition (male/female pattern) with a condition…

…Hyponatremia of unknown duration : These cases are managed as chronic hyponatremia. Degree of hyponatremia P/S Na + Common effects Mild 130 125 mmol/l Cognitive…

…3 of the action potential ( Figure 1 A ). The T wave represents the rapid repolarization phase (phase 3). The T wave is normally concordant with…

…instead of qR complex. The electrical axis will be shifted to the left (left axis deviation), ranging between 45° and 90°. The QRS duration will…

…Causes of tachycardia (tachyarrhythmia) with wide QRS complexes (QRS duration ≥0,12 s) : ventricular tachycardia is the most common cause and it is potentially life…

…equals 200 ms). The hallmark of both RBBB and LBBB is the QRS duration which is by definition 120 ms or longer. ECG criteria for…

…are also common in NSTEMI and unstable angina (please refer to Approach to Patients with Chest Pain). As in patients with STEMI, those with NSTEMI…

…displacement, annular dilatation, or both; progressive ventricular remodeling may also occur in primary valvular disease. Increasing severity of mitral regurgitation is associated with worse outcomes…

…for decades, and it has been regarded as a benign form of ST segment elevation with slurring or notching at the J point. A notch…

…to the bifurcation of the bundle of His, the QRS complexes will be wide (QRS duration ≥0.12 s). The escape rhythm with wide QRS…

…that the test failed to identify 27.8% of individuals with poor neurological recovery. The specificity of absent pupillary reflex for predicting a poor neurological…

…help determine expected normal values based on body surface area (BSA), aiding in the diagnosis of aortic root dilation. Key Formulas BSA Calculation (Mosteller formula): [ …

…with left ventricular dilation. This type of cardiomyopathy, referred to as tachycardia induced cardiomyopathy , can be caused by any tachyarrhythmia leading to prolonged periods of…

…the contraction of smooth muscle cells. As compared with nitroprusside, nicardipine induces relatively greater venodilation than arteriolar dilation. Effects Nicardipine causes dilation of the coronary…

…hypertension and atherosclerotic coronary disease In patients with heavy alcohol use, left ventricular dilation may precede the development of increased left ventricular hypertrophy and mass…

…a precaution. Dosage of vernakalant Vernakalant is dosed by body weight, with the maximum dose based upon 113 kg. Normal dilution: 4 mg/ml. Recommended…

…repeated to a maximum of 3 mg 0.02 mg/kg, minimum 0.1 mg, maximum 0.5 mg For bradycardia with compromise Isoprenaline 0…

…10 mL with sodium chloride) before intravenous titration. Half of all opioid dosing errors arise at the dilution step, and an undiluted syringe of 10…