B) Meaning In Chat

[Berniece Leonhardt]

Whenyou use RCS chats, your messages are sent with the Rich Communication Services (RCS) protocol over Wi-Fi and mobile data. RCS chats will be turned on only when all the participants in a conversation have RCS. RCS chats are provided by Google or your mobile carrier. This article describes RCS chats by Google.

To make sure your messages are properly delivered, Google uses information like your phone number, device identifiers, and SIM card number. This data may be stored for about a month in order to keep you connected to RCS and in cases where you temporarily go offline.

Important: T-Mobile users with Advanced Messaging may be unable to chat or create a group chat with users outside of the T-Mobile network. For more information, please contact T-Mobile about upgrading to Universal Profile 1.0.

When you use RCS chats, your messages are sent over Wi-Fi and mobile data. As long as you're connected to a Wi-Fi network that you don't have to pay to use, there should be no cost to send and receive messages. If your messages are sent using mobile data, the cost is based on your mobile data plan.

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In 2017, I sold Babajob, my baby of 11 years and the endeavor I deeply believed was the best use of my potential. The last year has been one of identity seeking; it was a chance to be a better father and better husband, to write, to spend time with a few organizations whose work I admired (Jaaga - including BeFantastic.in and Dara.Network, Unifize, Harambee, and iSpirt) and figure out what new gig would give me as much meaning as Babajob did.

Positive Impact - I sold my house to fund Babajob because I felt it was worthwhile to build a digital tool to help low skilled job seekers earn more money. There are so many important problems that need our attention and I want my job to address at least one of them.

Power & Resources - If I hope to make large change in the world, I need to work at institutions with resources. This usually means money and power. Given its more socially aligned mission and our decision to not partner with governments, Babajob may have moved too far away from business models with high profit potential that are required to attract large resources. I don't regret those decisions but frankly, we were outgunned by players like Quikr who did a better job of attracting capital and executing against a larger market - horizontal classifieds vs entry level job marketplaces.

World Class Peers - We all want to learn from our peers in our job; the problem with being CEO is by definition you don't have many peers in your company. Plus, my expectations of peers have increased as someone who built a company with 9 million users, raised multiple funding rounds and led hundreds of people.

This is such a simple and yet powerful way to be heard - not by the world, who is not always kind and often does not care about us - but by our best friend on the other side of the planet that we miss like hell but rarely find the time to schedule a call or FaceTime. Timezone differences, kids, crazy work schedules, etc. conspire to make finding a mutually convenient time to connect damn hard.

Marco Polo is not a tool you will use with everyone you know. We don't have the patience or time to actually listen and bear witness to most people around us and we'd rather speed-read their words. But we do want to listen to those we love and care about - our siblings, parents and family, our most trusted co-workers, our direct reports whose livelihoods rest in our hands, the people who share our particular struggles and our childhood best friends. This is who Marco Polo is for in your life.

And so, I am joining Marco Polo to head international growth because I really want everyone to have that feeling of closeness with people they love, even if those people are far away and asleep right now or at work when someone is ready to talk.

Cri du chat syndrome is a genetic disorder caused by a deletion of the short arm of chromosome 5. The name of the syndrome means the cry of the cat and describes the main clinical finding of a high-pitched, monochromatic cat-like cry. The clinical picture, severity, and progression of the disease vary depending on the region of the chromosome that is deleted. This disorder is often characterized by distinctive facial features, delayed development, and intellectual disability. This activity illustrates the presentation, evaluation, and management strategies for Cri du chat syndrome and highlights the interprofessional team's role in the care of affected patients.

Objectives:Describe the presentation of a patient with cri du chat syndrome.Identify the cause of cri du chat syndrome.Outline the treatment options for cri du chat syndrome.Summarize the importance of improving coordination amongst interprofessional team members to enhance outcomes for patients affected by cri du chat syndrome.Access free multiple choice questions on this topic.

Cri-du-chat is a genetic disorder that is caused by a deletion of the short arm of chromosome 5. The name of the syndrome, meaning cat cry, was coined after the main clinical finding of a high-pitched, monochromatic cat-like cry. The clinical picture, severity, and progression of the disease vary depending on the region of the chromosome deleted and whether it is terminal or interstitial. In other words, differences in phenotype are attributable to the differences in genotype. This disorder characteristically presents with distinctive facial features, delayed development, and intellectual disability.[1][2]

Cri-du chat results from either a partial or complete deletion of chromosome 5p. Most of the deletions occur de novo. The deletions occur as random events during the formation of reproductive cells in early fetal development. Around 80% to 90% are paternal in origin, which can arise from a chromosomal breakage during gamete formation. The remaining 10% to 15% result from unbalanced parental translocation. Moreover, 80% to 90% of cases result from terminal deletions of chromosome 5, while 3% to 5% are due to an interstitial deletion. Mosaicism, inversions, and ring chromosomes are less common mechanisms.[2]

Although Cri du chat is considered a rare disorder, it is one of the most common chromosomal anomalies. The incidence ranges from 1 in 15,000 to 1 in 50,000 liveborn infants. The incidence in females is slightly higher than in males. The exact incidence and prevalence worldwide and among races has not been established. Similarly, specific risk factors associated with prenatal events or parental age are not clear. However, there are occasional reports of parental exposure to radiation, hyperemesis, anorexia, and toxemia.[3]

Patients demonstrate phenotypic and genotypic variability. Research has revealed that partial deletion of the short arm of chromosome 5 is the cause of the characteristic phenotype. The phenotype is identifiable despite the fact that variations in deletion size have led to a theory that a critical region is responsible for the characteristic feature in hemizygosity. The region identified is 5p15.2, and individuals with a deletion of chromosome 5 that does not include this region do not show a typical phenotype and, in some cases, are even normal.

Cytogenetic studies have helped identify two regions, 5p15.3, which is responsible for the characteristic cry, and 5p15.2, which is responsible for the other significant clinical findings. Similarly, other areas have been identified for additional features, such as speech retardation and dysmorphism. Therefore, clinical manifestations depend on the deletion of the critical area. Another crucial factor in the manifestation is the size as well as the type of deletion and whether it is interstitial or terminal.

In the neonatal period, the most characteristic finding is a high-pitched, monotonous cry, which usually disappears within the first few months of life. The cry is not limited to this syndrome alone and is known to accompany a few other neurological disorders. Newborns also exhibit low birthweight and microcephaly, as well as asphyxia, muscle hypotonia, and impaired suction. These lead to impaired growth and development during the first few years of life. Reports exist of recurrent respiratory and intestinal infections.[3]

Cri du chat is diagnosable via amniocentesis during the antenatal period, where the deletion of chromosome 5 will be visible. The structural abnormalities are observable sonographically. Also, fetuses who show mosaicism may display fetoplacental and feto-amniotic chromosomal abnormalities along with microcephaly and cerebellar hypoplasia.[3][4][5][6]

A diagnosis can be made based on clinical findings. The occurrence of specific characteristic findings such as microcephaly, low birth weight, moon face, muscle hypotonia, and a cat-like cry together should raise clinical suspicion of the condition. Sometimes, this can be difficult because the features may not be obvious as patients show a cytogenetic variation leading to phenotypic variation. The clinical features, as well as the severity and prognosis, can be determined by the size and position of the deletion.

If clinical suspicion is present, one of the first tests that can confirm the diagnosis is a karyotype analysis. However, in cases where the clinical suspicion is high in the presence of a normal karyotype, further specific tests can be carried out, such as FISH, CGH (comparative genomic hybridization), or quantitative PCR (polymerase chain reaction).

FISH has led to an improvement in the diagnosis of genetic disorders caused by chromosome deletion and has provided a phenotypic map and the associated genome of an individual. Newer techniques, such as CGH, have opened new doors by including the whole genome and the associated markers, which can identify genetic alterations.

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