Full-term infant noted to have persistent tachycardia
Case Hi, I’m calling to let you know about a newborn infant that is full-term but transferred to the NICU because of a persistent tachycardia that was noted after delivery….
4-month-old with extrasystoles on auscultation at pediatrician’s office
Case I have a 4-month old male in my office today for a well-infant check, who is growing well and doesn’t appear to have any clinical concerns but when I…
2-month-old presenting to the ER with tachycardia, fussy, unable to eat
Case Hi, I’m calling from the Children’s Emergency Room and I have a 6-week-old female that is having tachycardia at a rate of 210 beats per minute (bpm). Baby looks…
NICU infant noted to have extrasystoles on cardiac monitor
Case You receive a call from the neonatal intensive care unit (NICU) regarding an ex-34 week premature infant. “I have this 1 week old male infant who is here for a…
Newborn nursery infant that has bradycardia
Case I’m calling from the newborn nursery and I’m the charge nurse on for today. I have a 1-day old newborn infant that on auscultation has a slow heart rate….
Ischemic heart disease
Ischemic heart disease (IHD) Myocardial mechanics in IHD Regional function and IHD In 1935, Tennant and Wiggers demonstrated that a coronary occlusion almost immediately induced a regional wall motion abnormality….
Detection and characterization of diastolic dysfunction
Basics of diastolic function Left ventricular (LV) filling results from active relaxation and diastolic chamber compliance, and LV diastolic dysfunction (DD) is the result of impaired LV relaxation and increased…
Evaluation of right ventricular function and pulmonary hypertension
The right ventricle plays a crucial role in determining patient functional status and prognosis in various conditions. Accordingly, the quantification of right ventricular (RV) function should be part of any…
Future applications of strain imaging
Since its birth in the late 1990s, strain echocardiography has continued to grow over the past 20 years. Currently, global longitudinal strain (GLS) has been standardized for clinical application as…
Strain in valvular diseases
Valvular diseases may be viewed as a model of how inappropriate loading conditions can lead to cardiac dysfunction, symptoms, and finally death. A paradox of valvular heart diseases is that,…
