S-Abbreviations

• S1, S2


  First sacral vertebra, etc.
• SA node


  Sinoatrial node (pacemaker of heart)
• SARS


  Severe Acute Respiratory Syndrome
• SOB


  Short of Breath
• SpO2


  Arterial oxygen saturation measured peripherally (usually via pulse oximetry)
• S/P


  Status post
• SQ


  Subcutaneous
• STAT


  Immediately (latin: Statim)
• SVC


  Superior vena cava
• SVR


  Systemic vascular resistance
• SvO2


  Venous oxygen saturation
• Sux


  Succinylcholine/ Anectine
• Sx


  Symptoms