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A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger. [1]
Candida albicans infection; Candida parapsilosis infection; Cytomegalovirus infection; diphtheria; human coronavirus infection; respiratory distress syndrome; measles; meconium aspiration syndrome
Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers or group of fibers outside the region in the heart muscle ordinarily responsible for impulse formation (i.e., the sinoatrial node).
A former Playboy model killed herself and her 7-year-old son after jumping from a hotel in Midtown New York City on Friday morning. The New York Post reports that 47-year-old Stephanie Adams ...
This condition was first discovered in 1992 by Stoll et al, when they described 6 members belonging to a 3-generation French family. They had ventricular extrasystoles that presented itself with syncopal episodes associated with multifocal tachycardia, aplastic/hypoplastic distal phalanges of the toes (a phenomenon Stoll et al. described as perodactyly), Pierre Robin Sequence, a condition ...
Stunted growth, also known as stunting or linear growth failure, is defined as impaired growth and development manifested by low height-for-age. [1] It is often caused by malnutrition and can occur due to endogenous factors (such as chronic food insecurity) or exogenous factors (such as parasitic infection).
Male P. e. nipalensis attending to a nest in a tree hole in Kolkata, West Bengal, India. The Alexandrine parakeet has a variety of calls, including a ringing trrrieuw, loud kree-aar or keeak, deep klak-klak-klak-klak and resonant gr-aak. Its calls are usually deeper, harsher and more resonant than those of the rose-ringed parakeet.
The white-winged parakeet (Brotogeris versicolurus), or canary-winged parakeet is a small parrot native to the Amazon River basin from southeast Colombia to the rivers mouth in Brazil. Caged birds have been released and the birds have established self-sustaining populations in Lima, Peru , Los Angeles , and Miami, Florida areas of the United ...