All articles starting with R
22,461 articles
Right ascension
Right ascension (RA) is the angular distance measured eastward along the celestial equator from the vernal equinox, forming the equatorial coordinate system with declination like longitude.
Right axis deviation
Right axis deviation (RAD): an ECG finding where the frontal-plane QRS axis exceeds +90°, caused by right ventricular hypertrophy, pulmonary embolism, COPD, or left posterior fascicular block, and associated with higher long-term mortality.
Right bundle branch block
Right bundle branch block (RBBB) is a disorder of the heart's electrical conduction in which the right ventricle is activated late, producing a widened QRS complex on the electrocardiogram.
Right colectomy
A right colectomy, or right hemicolectomy, is surgery that removes the right colon with terminal ileum and lymph nodes, most often to treat cancer of the cecum or ascending colon.
Right coronary artery
Right coronary artery (RCA): artery from the right sinus of Valsalva supplying the right heart, SA/AV nodes, and inferior wall; dominant in about 70–90% of people; most common anomaly is origin from the left coronary sinus.
Right Ginza
The Right Ginza (Ginza Yamina) is the larger of the two volumes of the Ginza Rabba, the principal scripture of Mandaeism, with 18 books including at least seven creation accounts.
Right Heart Bypass
Right heart bypass: surgical principle routing systemic venous blood directly to the pulmonary arteries without a right ventricle, underlying the Glenn shunt (1958) and Fontan procedure (1971) for single-ventricle congenital heart disease.
Right heart strain
Right heart strain: right ventricular stress from overload, chiefly pulmonary embolism and pulmonary hypertension. Recognized by ECG signs (S1Q3T3, RBBB), RV dilation, septal flattening, TAPSE <16 mm, and RV strain imaging with prognostic cutoffs.
Right Here Waiting
Right Here Waiting is Richard Marx's 1989 pop ballad from Repeat Offender, written for Cynthia Rhodes, rejected by Barbra Streisand, a three-week Billboard Hot 100 number one with UK peak number 2.
Right Here World Tour
The Right Here World Tour was the fifth world tour by South Korean boy group Seventeen, supporting their album Spill the Feels, from October 2024 to February 2025.
Right Ho, Jeeves
Right Ho, Jeeves, also known as Brinkley Manor, is a 1934 comic novel by P. G. Wodehouse and the second full-length Jeeves novel, set at Aunt Dahlia's Brinkley Court.
Right Now, Wrong Then (지금은맞고그때는틀리다)
Right Now, Wrong Then (지금은맞고그때는틀리다) is Hong Sang-soo's 2015 two-part drama, his 17th feature, starring Jung Jae-young and Kim Min-hee; it won the 2015 Locarno Golden Leopard and began Hong's collaboration with Kim Min-hee.
Right of asylum
Right of asylum: the human right to seek protection in another country from persecution, grounded in UDHR Article 14 and the 1951 Refugee Convention, non-refoulement, and regional instruments like the OAU Convention and Cartagena Declaration.
Right of Children to Free and Compulsory Education Act, 2009
The Right of Children to Free and Compulsory Education Act, 2009 (RTE Act), India's Act No. 35 of 2009 in force 1 April 2010, guarantees free education for children aged 6-14, including a 25% private-school quota and the amended no-detention policy.
Right of conquest
Right of conquest: the classical international-law principle that a victorious state could claim sovereignty over conquered territory without the loser's consent, later displaced by the UN Charter-era prohibition on acquiring territory by force.
Right of first refusal
A right of first refusal (ROFR) is a contractual right obliging an asset owner to offer it to the holder on a third party's terms before selling.
Right of revolution
The right of revolution is the moral and political claim that a people may alter or abolish a government that breaches its trust, classically formulated in Locke's Second Treatise, invoked in the American and French Revolutions, rejected by Kant, and unrecognized in international law.
Right of serf-owners to exile serfs (1760, 1765)
The right of serf-owners to exile serfs was created by Russian decrees of 1760 and 1765 that let landowners send serfs to Siberian settlement or hard labor without trial, beginning administrative exile in Russia.
Right of way
Right of way: a legal easement permitting passage over another's land between a dominant and servient estate, created by express grant, implication, necessity, or prescription (typically 20 years' unopposed use).
Right On! (magazine)
Right On! is an American teen entertainment magazine launched in 1971 by Laufer Publishing to promote the Jackson 5, later covering hip-hop first among teen magazines, edited by Cynthia Horner from 1976, and relaunched as Right On! Digital in 2018; distinct from the Berkeley Jesus People paper and the Black Panther periodical of the same name.
Right Opposition
Right Opposition: Soviet Communist Party faction led by Bukharin, Rykov, and Tomsky defending the NEP and slower industrialization; defeated by Stalin's left turn in 1928–1929 and destroyed in the 1937–1938 purges.
Right outflow tract ventricular tachycardia
Right outflow tract ventricular tachycardia (RVOT-VT), also called idiopathic RVOT VT, is a benign triggered-activity VT from the right ventricular outflow tract in structurally normal hearts, showing LBBB inferior-axis ECG, treated with beta-blockers, calcium channel blockers, or curative catheter ablation.
Right Place, Wrong Person
Right Place, Wrong Person is BTS leader RM's second solo album, released May 24, 2024 by Big Hit Music. The 11-track alternative record, title track "LOST!", debuted at No. 5 on the Billboard 200 and No. 37 in the UK.
Right Round
"Right Round" (2009) by Flo Rida featuring Ke$ha, from R.O.O.T.S.; Dr. Luke-produced pop-rap hit interpolating Dead or Alive's "You Spin Me Round", UK number 1 and record-setting 636,000 debut-week US downloads.
Right Said Fred
Right Said Fred: English pop band formed in London in 1989 by brothers Fred and Richard Fairbrass; 'I'm Too Sexy' (1991) hit No. 2 in the UK and No. 1 in the US, 'Deeply Dippy' their sole UK No. 1.
Right Sector (Правий сектор)
Right Sector (Правий сектор) is a Ukrainian far-right movement formed during Euromaidan from Tryzub, UNA-UNSO, and Patriot of Ukraine, led by Dmytro Yarosh, with a volunteer corps in the Donbas war and consistently small vote shares (0.71% presidential, 1.80% parliamentary, 2014).
Right Socialist Party of Japan
Right Socialist Party of Japan (右社会党), right-wing social democratic party created by the 1951 split of the Japan Socialist Party; anti-communist democratic-socialist foreign policy; reunited with the left wing in 1955.
Right Thurr
Right Thurr: 2003 debut single by St. Louis rapper Chingy (Howard Bailey Jr.), lead hit from Jackpot, produced by The Trak Starz; Hot 100 No. 2, New Zealand No. 1, UK No. 17.
Right to a fair trial
Right to a fair trial: human right to a fair, public hearing within a reasonable time before an independent, impartial tribunal established by law, protected by UDHR Article 10, ICCPR Article 14, and ECHR Article 6.
Right to be forgotten
The right to be forgotten (right to erasure, GDPR Article 17) lets individuals request delisting of personal data from search results. Established by the 2014 CJEU Google Spain ruling; balanced against free expression; no US equivalent.