RSI may refer to:

Broadcasting services

* Radio Singapore International, a former radio broadcaster in Singapore * Radio Slovenia International, the international service of Slovenian state radio *

Radiotelevisione svizzera di lingua italiana Radiotelevisione svizzera di lingua italiana (; RSI, abbreviated as RTSI until 28 February 2009) is a Swiss public broadcasting organisation, part of SRG SSR. RSI handles production and broadcasting of radio and television programs in Italian ...

, a Swiss radio and television broadcaster

Computing

RSI register x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel based on the Intel 8086 microprocessor and its 8088 variant. The 8086 was intr ...

, a 64-bit processor register of x86 CPUs *

Relational Semantics, Inc. Relational Semantics, Inc. (RSI) is an American software company that specializes in case management systems for state courts and agencies. Founded in 1983, RSI is based in Boston, Massachusetts, The Massachusetts Appellate Courts system and ot ...

, an American software company

Finance

* Relative strength index, a technical indicator used in the analysis of financial markets * Revenue and Social Insurance number, an identifier used for tax and welfare purposes in Ireland

Medicine and psychology

Rapid sequence induction In advanced airway management, rapid sequence induction (RSI) – also referred to as rapid sequence intubation or as rapid sequence induction and intubation (RSII) or as crash induction – is a special process for endotracheal intubation that i ...

, a method of emergency intubation, involving paralytics and sedation *

Repetitive strain injury A repetitive strain injury (RSI) is an injury to part of the musculoskeletal or nervous system caused by repetitive use, vibrations, compression or long periods in a fixed position. Other common names include repetitive stress disorders, cumu ...

, a disorder affecting muscles, tendons and nerves from repetitive movements, forceful exertions, vibrations, mechanical compression, or sustained/awkward positions * Residual self image, the concept that individuals tend to think of themselves as projecting a certain physical appearance *

The Real In continental philosophy, the Real refers to the remainder of reality that cannot be expressed, and which surpasses reasoning. In Lacanianism, it is an "impossible" category because of its opposition to expression and inconceivability. ...

, The Symbolic, and The Imaginary, a theory in Lacanian psychoanalysis concerning human perception of reality

Physics

* RSI-value, a measure of how well a two-dimensional barrier resists the conductive flow of heat * ''

Review of Scientific Instruments ''Review of Scientific Instruments'' is a monthly peer-reviewed scientific journal published by the American Institute of Physics. Its area of interest is scientific instruments, apparatus, and techniques. According to the ''Journal Citation Repor ...

'', a scientific journal

Other organisations

* RSI Corporation, an American safety compliance consulting firm * RADARSAT International, a provider of data and information derived from the Canadian RADARSAT satellite program overseen * Red Sports International, an international sports organization supported by the Communist International *

Research Science Institute The Research Science Institute (RSI) is an international summer research program for high school students. RSI is sponsored by the Center for Excellence in Education (CEE) and hosted by MIT in Cambridge, Massachusetts. RSI brings together the top ...

, an international summer research program for high school students * Religious Science International, a religious organization

Other uses

* '' Ṛṣi'', a term for an accomplished and enlightened person in Hinduism and Buddhism * Regional Snowfall Index, a system used to assess the impact of winter storms in the United States *

Italian Social Republic The Italian Social Republic ( it, Repubblica Sociale Italiana, ; RSI), known as the National Republican State of Italy ( it, Stato Nazionale Repubblicano d'Italia, SNRI) prior to December 1943 but more popularly known as the Republic of Salò ...

or ''Repubblica Sociale Italiana'', a puppet state of Nazi Germany during the later part of World War II {{disambiguation