…heal with good function or cosmesis without apposition. A wound that bleeds because the edges are held apart. A wound through the full thickness of…

…abnormal repolarization. These T wave inversions are symmetric with varying depth. They may be gigantic (10 mm or more) or less than 1 mm. Negative…

…Artery forceps, toothed surgical forceps, scissors, a needle holder. Sutures: 5 0 or 6 0 non absorbable for the face, 4 0 for the trunk…

…enlargement (P pulmonale) The atria may become dilated and/or hypertrophic during pathological circumstances. As for ventricular enlargement, the ECG cannot differentiate dilatation from hypertrophy…

…in persons who are otherwise healthy. The majority of those with LAFB, however, have significant heart disease. Myocardial infarction, coronary artery disease, left ventricular hypertrophy…

…is caused by a complete coronary artery occlusion, which results in the complete stop of blood flow and thus more extensive myocardial ischemia (referred to…

…gives a shorter duration of effect. Lidocaine 10 mg/mL without adrenaline , 2–5 mL. Needles: 21–25 G, 40 mm for subacromial and trochanteric…

…4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline 200 mg × 1…

…the management of heart failure, digoxin improves hemodynamics without increasing heart rate or decreasing blood pressure, making it a consideration for patients with low blood…

…pacemaker function requires knowledge of the mode of pacing, and careful analysis of ECG tracings. Most modern devices are capable of transmitting ECG tracings continuously…

…T wave. The U wave is most often seen in leads V2, V3 and V4. Individuals with prominent T waves display U waves more often

…patients with an initial shockable rhythm, compressions and ventilation can extend the duration of the shockable rhythm by several minutes, allowing for EMS or bystanders…

…filled normally, there is more room for the right ventricle, the filling of which increases and the septum bulges into the left ventricle. During exhalation…

…wave. Because of the long duration of the plateau phase most contractile cells are in this phase at the same time (more or less). Moreover…

…on the etiology, may be more or less echogenic. It is important to estimate the volume, echogenicity and location of the effusion. Regarding the location…

…0.1 mV in 2 or more contiguous leads of the 12 lead ECG, excluding leads V1 to V3. 3. QRS duration is <120 ms…

…cells. Phase 4 of the action potential in the sinoatrial node is called "pacemaker potential", because it is responsible for the spontaneous repetitive depolarization. The…

…QRS duration, delta waves, secondary ST T abnormalities). Click to zoom. Atrioventricular reentrant (reentry) tachycardia (AVRT) Individuals with accessory pathways are at risk of developing…

…partly or entirely outside of the conduction system and thus produce a wide QRS complex (QRS duration ≥0.12 s). Refer to Figure 1 for…

…a sensitivity of 72.2% for predicting an unfavorable neurological outcome, indicating that the test failed to identify 27.8% of individuals with poor neurological…

…genes have been discovered. Genetic testing for DCM Genetic testing of patients with confirmed or likely dilated cardiomyopathy can be recommended. There are several commercially…

…or annual growth 3 mm. Limitations Formulas assume normal body habitus Ethnic variations may require adjusted thresholds Always correlate with imaging measurements Not valid for…

…muscle rupture. The risk of rupture is greater for the posteromedial papillary muscle, which only receives blood supply from one coronary artery (Coronary arteries). Chronic…

…The incidence is 10–34% among patients with premature ventricular contractions and/or nonsustained ventricular tachycardia who are referred for electrophysiological evaluation (Hasdemir et al…

…portion of the pulmonary artery may also be dilated in patients with pulmonary hypertension. Echocardiography in pulmonary regurgitation Echocardiography is the modality of choice for…

…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…

…with more severe neurological deficits, and carry higher rates of mortality and long term disability compared to non cardioembolic ischemic strokes. Consequently, the cornerstone of…

…either LCX or the right coronary artery (RCA). For details, refer to chapter The Coronary Arteries. Mitral valve disease A wide range of conditions may…

…tricuspid regurgitation is more pronounced. Echocardiography is the preferred method for diagnosing tricuspid regurgitation. Causes of tricuspid regurgitation The most common causes of tricuspid regurgitation…

…prevent, or alleviate, the pressure increase in the left ventricle and left atrium. Chronic aortic regurgitation leads to dilatation and hypertrophy of the left ventricle…

…size and form of the thrombus, it will occlude the main pulmonary artery or its branches. The larger the thrombus, the more proximal the occlusion…

Info This drug manual is provided for use in patients with hypertensive emergency (also referred to as hypertensive crisis or malignant hypertension ). Hypertensive emergency is…

Cardiology This drug manual is provided for use in patients with hypertensive emergency (also referred to as hypertensive crisis or malignant hypertension ). Hypertensive emergency is…

…sustained heavy consumption is associated with hypertension, coronary artery disease, arrhythmias, heart failure and alcohol related cardiomyopathy. The cardiovascular implications of lower alcohol intake remain…

…al). ARVC is more malignant in men, the reason for which remains elusive. Gene mutations can be confirmed in roughly 60% of individuals with ARVC…

…Valve replacement can be performed with biological or mechanical prostheses. The former is preferred due to the lower risk of thrombosis and evidence demonstrating long…

…days duration. Vernakalant does not convert atrial flutter to sinus rhythm. Vernakalant is only administered in a monitored clinical setting appropriate for cardioversion. Administration of…

…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…

…for assessing ventricular function. For better or worse, ejection fraction has become virtually synonymous with left ventricular function. An obvious drawback with the use of…

…or treatment with sodium nitroprusside. In most hypertensive emergencies the following is aimed for: 1. Lower the mean arterial pressure by no more than about…

…depression, or untreated severe respiratory failure without the possibility of monitoring. Paralytic ileus and suspected obstructive ileus (an opioid can be given for the pain…

…vectors resulting from activation of the ventricular free walls is directed to the left and downwards ( Figure 7 ). The explanation for this is as follows…

…a useful tool for detecting hypertrophy/dilatation but echocardiography and magnetic resonance imaging (cardiac MRI) are superior to the ECG in terms of sensitivity and…

…QT duration represents the total time for depolarization and repolarization. It is measured from the beginning of the QRS complex to the end of the…

…with PCI or without revascularization, although the exact antithrombotic strategy may differ when long term OAC is also indicated. Possible shortening of DAPT A duration…

…and 240 ms. The deceleration time indicates the duration for equalizing the pressure difference between the left atrium and the left ventricle. The deceleration time…

…with time, clarity and respect is also what makes the decision hold afterwards. Organ preserving treatment — treatment given solely for the sake of the donation…

…for the management of acute coronary syndromes with persistent ST segment elevations (i.e STEMI, ST segment elevation acute myocardial infarction). 1 Initial diagnosis of…

…collapse : Sudden cessation of tissue perfusion as a result of cardiac or vascular condition. May reverse spontaneously (e.g., vasovagal syncope) or with treatment (e…

…of increasing coronary blood flow. In circumstances with non shockable rhythm or with prolonged periods of VF (fine VF resistant to defibrillations), the purpose of…

…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…

…III and aVF (with QRS duration <0.12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation…

…III and aVF (with QRS duration <0.12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation…

…this chapter, you will learn the physiological basis of all ECG waves and how to determine whether the ECG is normal or abnormal. Although heart…

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…

…risk of pneumothorax Uncomfortable for an awake patient, harder to keep the dressing clean with a tracheostomy or copious secretions Subclavian vein Most comfortable for…

…right ventricular hypertrophy. Next chapter Biventricular Hypertrophy Related chapters Overview of Hypertrophy and Dilatation Left Ventricular Hypertrophy Atrial Hypertrophy and Dilatation (P mitrale, P pulmonale…

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…

…lead V1 and qRS pattern in V6 with QRS duration <120 ms) D: Profound sinus bradycardia (<30 beats/min or sinus pauses ≥3 s) Explanation…

…35 mm or R aVL 11 mm Sokolow Lyon's index is the most used index, despite having the lowest sensitivity (20%) of all indexes…