…risk of complications calls for careful consideration of contraindications. Contraindications may be absolute or relative. Briefly, exercise stress testing must not be performed in the…

…Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral regurgitation—predominant right ventricular (RV) infarction…

Procedurer What determines the outcome of a central venous catheter insertion is decided before the needle goes in: the choice of site, the use of…

…heals venous leg ulcers; everything else is supportive. But the same compression applied to a limb with arterial insufficiency can cause necrosis and, in the…

…sputum purulence, the other cardinal symptoms and the severity of the illness. 7. Start NIV without undue delay in persistent hypercapnic respiratory acidosis, if invasive…

…0 A mechanical valve may require a higher target Doses in venous thromboembolism Treatment doses in deep vein thrombosis and pulmonary embolism differ from the…

…a missed meal, physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the symptoms…

…and thyroid surgeries, as well as medications and agents such as bisphosphonates, calcitonin, citrate (from transfusions), phenytoin, phosphate, and foscarnet, among others. ECG in hypoc

…or in the emergency department without contacting the appropriate specialty: Location Risk Management : : : Medial triangle of the face (nasal root, alae nasi, upper lip) Venous…

…Perform a bladder scan in oliguria, anuria or unexplained AKI. 3. Assess the circulation and volume status, including signs of both hypovolaemia and venous congestion…

…premedication, plus further atropine drawn up in a syringe as a standby dose. Glycopyrronium (Robinul) 0.2 mg is an alternative premedication. Peripheral venous cannula…

…ventilation before decompression where possible: anaesthesia and intubation can precipitate circulatory collapse in a tamponaded patient , since positive airway pressure further reduces the venous return…

…pacing: the relative contraindications are the same as for a central venous catheter — coagulopathy, infection at the puncture site, known thrombosis in the target vein…

…is disputed and practice differs between units. Poisoning with other weak acids where the poison control centre recommends it, for example certain phenoxy acid herbicides…

…standard formulas. Therefore, while MAP is a valuable indicator of hemodynamic status, it should be interpreted in conjunction with other clinical assessments and diagnostic information.

…and near equalization of diastolic pressures in the cardiac chambers, with chamber pressures approaching intrapericardial pressure. The jugular venous waveform typically has a prominent x…

…associated with elevated central venous pressure, which is transmitted to the renal veins and can reduce GFR. Conversely, a rise in creatinine during effective decongestion…

…pressure minus coronary venous pressure Normal coronary driving pressure: mean aortic pressure minus coronary venous pressure In routine clinical practice, coronary venous pressure is generally…

…tachycardia is most often due to atrial fibrillation with wide QRS complexes due to bundle branch blocks or other conduction defects. However, in rare instances…

…the maternal cardiac arrest. Within the context of pregnancy, hypovolemia and other etiologies of hypotension remain the predominant causes of cardiac arrest. Should cardiac arrest…

…than by a distinct advantage of one drug over the other. Mathew et al. Milrinone as Compared with Dobutamine in the Treatment of Cardiogenic Shock…

…function. Central venous pressure, pulmonary capillary wedge pressure and systemic vascular resistance increases. Harmful neurohormonal pathways are activated, similar to those seen in heart failure…

…jugular venous distention. Other frequent symptoms are pulsus paradoxus, pericardial friction sounds, tachycardia, tachypnea, weakened peripheral pulses, edema, cyanosis. Cardiac tamponade is seen in Video…

…impending respiratory arrest. A venous blood gas can give useful information about pH and the trend in carbon dioxide, but in critical illness, marked hypoxaemia…

…or a recently inserted venous port. Procedure 1. Arm pressure. Place the cuff on the upper arm. Locate the brachial signal in the antecubital fossa…

…sometimes supplemented with a central venous sample Common approximate arterial reference ranges in adults are: pH 7.35 to 7.45 pCO₂ 4.7 to…

…the blood pressure in several ways. Monoamine oxidase inhibitors can cause a hypertensive crisis through interactions, while venlafaxine and higher doses of bupropion, among others…

…Capillary refill is delayed, and venous filling may be reduced. Other possible findings include muscle stiffening and loss of deep tendon reflexes. Pulses are absent…

…sinus rate. In the AV node, adenosine produces a transient, rate dependent prolongation of the A H interval, frequently manifesting as transient first , second , or…

…The condition occurs above all in: treatment with SGLT2 inhibitors pregnancy prolonged fasting or a very low carbohydrate intake excessive alcohol consumption vomiting or othe

…sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI. QTc prolongation The QT…

…precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for the prevention…

…Definition and scope Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition…

…particularly in patients with: Diabetes or other cardiometabolic risk factors Obesity Insulin resistance or metabolic syndrome Elevated triglycerides Low or apparently well controlled LDL C…

…and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine…

…NSTEMI and unstable angina. Management begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical…

…spot, in three minutes, without drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The…

…NSAIDs). Other contraindications: Hemophilia. Thrombocytopenia. Active gastric or duodenal ulcers. Liver cirrhosis. Severe heart failure. Doses 100 mg/day during the third trimester of pregnancy…

…cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet…

…contained in all apoB containing lipoproteins, including: LDL Intermediate density lipoprotein (IDL) Lipoprotein(a) [Lp(a)] Very low density lipoprotein (VLDL) Chylomicrons and other triglyceride…

…only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and…

…or other atherosclerotic disease; diabetes and other cardiovascular risk factors; smoking, hypertension, hypercholesterolaemia, and sedentary behaviour; family history, particularly in the broader assessment of peripheral…

…although some series report 10–20%. Other life threatening cardiopulmonary conditions account for approximately 5% of presentations in some populations. Despite this relatively low prevalence…

…1960s. In 1948 the NHLBI initiated the Framingham Heart Study, which demonstrated that high blood pressure and high cholesterol levels, among other risk factors, were…

…with STEMI or other very high risk features. Noninferiority studies designed mainly around bleeding outcomes may not reliably exclude clinically important differences in ischemic events…

…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

…left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures…

…of the aorta or arteries supplying the limbs. In adults over 40 years of age, atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism…

…complete discontinuation of tobacco smoking, with avoidance of second hand smoke and, where possible, other inhaled nicotine products. In cardiovascular medicine, the objective is not…

…with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2:1 block will be difficult…

…cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy. Biventricular hypertrophy ECG In case the ECG or other examinations suggest…

…ECG in acute coronary syndromes & chest pain patients An ECG must be performed on all patients seeking medical attention due to chest discomfort or other…

Echocardiography Continuous Wave Doppler In continuous wave Doppler (CW Doppler), ultrasound waves are continuously emitted from the transducer and the reflections of these waves are…

…In PET (Positron Emission Tomography), radiotracers emit positrons. When a positron collides with an electron, they annihilate each other, producing two gamma photons emitted in…

…on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted in both North American and European…

…escape rhythms in third degree AV block are regular. Regular ventricular rhythm with association between P and QRS and constant PR interval suggests second degree…

…and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist / hip Men 0.90, women 0.85 = abdominal…

…into the mediastinum. The anterior superior iliac spine is a second line alternative in marked obesity or when the supine position is necessary. After previous…

… spray technique is better on irregular surfaces and in the scalp. Complications Complication Frequency and comment : : Pain during thawing The rule rather than the exception…

…hepatic function, a non pregnant adult of normal weight, and individual assessment. See the separate quick reference for dosing in impaired renal function. Respiratory tract…