June 25, 2016

Nursing Tip of the Day! - Critical Care Nursing

Category: Critical Care Nursing 
Nitroglycerin functions primarily as a dilator of venous capacitance vessels and causes a reduction of right and left atrial pressure. Systemic blood pressure may also fall and reflex tachycardia may occur.

June 24, 2016

Nursing Tip of the Day! - Critical Care Nursing

Category: Critical Care Nursing 
Milrinone is a phosphodiesterase-3 (PDE3) inhibitor that increases cyclic adenosine monophosphate, thereby improving the inotropic state of the heart. Milrinone is also a systemic and pulmonary vasodilator.

June 23, 2016

Nursing Tip of the Day! - Maternal Neonatal Nursing

Category: Maternal Neonatal Nursing 
At birth, two events affect the cardiovascular and pulmonary system: (1) the umbilical cord is clamped, removing the placenta from the maternal circulation and (2) breathing commences. As a result, marked changes in the circulation occur.

June 22, 2016

Nursing Tip of the Day! - Critical Care Nursing

Category: Critical Care Nursing 
The resistance across a vascular bed can be concretely calculated using pulmonary vascular resistance. Patients with congenital heart disease or pulmonary vascular disease may have elevation in pulmonary vascular resistance.

June 21, 2016

Nursing Tip of the Day! - Critical Care Nursing

Category: Critical Care Nursing 
Cardiac output varies with the body’s oxygen consumption and is inversely proportional to hemoglobin. The circulatory systems of anemic patients usually try to generate higher cardiac output to maintain oxygen delivery to the cells.

June 20, 2016

Nursing Tip of the Day! - Critical Care Nursing

Category: Critical Care Nursing 
Oxygen levels provide a wealth of information. The difference between systemic saturation (in the aorta) and mixed venous saturation (usually in the superior vena cava) is inversely proportional to the overall cardiac output. 

June 19, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
Other situs abnormalities include situs ambiguous with the liver central and anterior in the upper abdomen and the stomach pushed posteriorly, bilateral right-sidedness (asplenia syndrome) and bilateral left-sidedness (polysplenia syndrome).

June 18, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
The position of the liver and stomach bubble is either in the normal position (abdominal situs solitus), inverted with the stomach bubble on the right (abdominal situs inversus) or variable with midline liver (abdominal situs ambiguous).

June 17, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
Dextrocardia is a term used when the heart is on the right side of the chest. When this occurs with reversal of position of the other important organs of the chest and abdomen (liver, lungs, spleen), the condition is called situs inversus totalis.

June 16, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
The P wave is generated from atrial contraction beginning in the right atrium at the sinus node. The impulse proceeds leftward and inferiorly, thus leading to a positive deflection in all left-sided and inferior leads (II, III, aVF) and negative in lead aVR.

June 15, 2016

Nursing Tip of the Day! - Pediatric Nursing

Category: Pediatric Nursing 
A still murmur is the most common innocent murmur of early childhood. It is typically heard between 2 and 7 years of age. It is the loudest midway between the apex and the lower left sternal border.

June 14, 2016

Nursing Tip of the Day! - Pediatric Nursing

Category: Pediatric Nursing 
Peripheral pulmonary artery stenosis (PPS) is a murmur, often heard in newborns, caused by the normal branching of the pulmonary artery. It is heard at the upper left sternal border, at the back and in one or both axillae.

June 13, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
The second heart sound (S) is the sound of semilunar valve closure. It is best heard at the upper left sternal border. S has two component sounds, A and P (aortic and pulmonic valve closure).

June 12, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
The first heart sound (S) is the sound of atrioventricular valve closure. It is best heard at the lower left sternal border. Although S has multiple components, only one of these (M closure of the mitral valve) is usually audible.

June 11, 2016

Nursing Tip of the Day! - Pediatric Nursing

Category: Pediatric Nursing 
The eustachian tube of infants and young children is more prone to dysfunction because it is shorter, floppier, wider and more horizontal than in adults. Infants with craniofacial disorders are particularly susceptible to eustachian tube dysfunction.

June 10, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
The eustachian tube regulates middle ear pressure and allows for drainage of the middle ear. It must periodically open to prevent the development of negative pressure and effusion in the middle ear space.

June 9, 2016

Nursing Tip of the Day! - Pediatric Nursing

Category: Pediatric Nursing 
Two findings are critical in establishing a diagnosis of acute otitis media, a bulging tympanic membrane and a middle ear effusion (MEE). The presence of MEE is best determined by visual examination and either pneumatic otoscopy or tympanometry.

June 8, 2016

Nursing Tip of the Day! - Pediatric Nursing

Category: Pediatric Nursing 
Acute otitis media is the most common reason why antibiotics are prescribed for children in the United States. It is an acute infection of the middle ear space associated with inflammation, effusion and otorrhea.

June 7, 2016

Nursing Tip of the Day! - Fundamentals

Category: Fundamentals 
The pulse oximeter has reduced reliability during conditions causing reduced arterial pulsation such as hypothermia, hypotension or vasoconstrictor drug use. Carbon monoxide bound to hemoglobin results in falsely high readings.