Nicky, Ricky, Dicky & Dawn is an American television sitcom produced by Nickelodeon. The series was originally picked up for 13 episodes on March 13, 2014, but was later increased to 20 episodes.The series premiered on September 13, 2014. On November 18, 2014, the series was renewed for a second season. Dawn (Lizzy Greene) is the oldest of the quadruplets by four seconds. 2  Although she's always seen bothering her brothers, she does care about them deeply. 3  There is a consistent rivalry for the leader spot of the quads between her and Ricky. 4  Ricky (Casey Simpson) is the second oldest of the Harper quadruplets.
Sick sinus syndrome (SSS) is a relatively uncommon heart rhythm disorder. SSS is not a specific disease, but rather a group of signs or symptoms that indicate the sinus node, the heartâs natural pacemaker, is not functioning properly.
Myelodysplastic syndromes (MDS) are conditions that can occur when the blood-forming cells in the bone marrow are damaged. This damage leads to low numbers of one or more type of blood cells. MDS is considered a type of cancer. Bone marrow is found inside certain bones, including the skull, ribs, pelvis, and spine.