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Sometime, there may be more than one meaning of S4 abbreviation. However, what does the medical abbreviation S4 mean?
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What is the S4 medical abbreviation?
In science & medicine, the medical term S4 means fourth heart sound.
S4: fourth heart sound
Related Medical Abbreviations
| ABG | Arterial Blood Gas |
| AIN | Acute Interstitial Nephritis |
| BSI | blood stream infection; body substance isolation |
| CHL | conductive hearing loss |
| CPHSS | Cincinnati Prehospital Stroke Scale |
| CRPS | complex regional pain syndrome |
| DS | Down’s Syndrome; degenerative spondylolisthesis; drug substance |
| ECT | Electro-Convulsive Therapy |
| FACD | Fellow of the American College of Dentists |
| FES | functional electrical stimulation |
| GCS | Glascow Coma Scale |
| HAA | hepatitis-associated antigen |
| HEME/ONC | Hematology/Oncology |
| IID | intermittent infusion device (saline lock) |
| IMRT | intensity-modulated radiation therapy |
| ISDN | isosorbide dinitrate |
| IVH | intraventricular hemorrhage |
| IgM | immunoglobulin M |
| Kr | Krypton (element) |
| LOA | Lysis Of Adhesions |
| LTV | long-term variability |
| MMF | maxillomandibular fixation |
| NKHG | nonketotic hyperglycinemia |
| OE | Otitis Externa |
| OFC | occipital-frontal circumference |
| PD | Parkinson’s Disease; also Personality Disorder and Peritoneal Dialysis |
| PGF | paternal grandfather |
| PRQM | publicly reported quality measures |
| RF | Rheumatoid Factor; also Risk Factor |
| RLS | restless legs syndrome |
| RPLND | Retroperitoneal Lymph Node Dissection |
| SCL | Soft Contact Lens |
| SOS | sinusoidal obstruction syndrome; help needed distress signal (save our ship) |
| SUI | stress urinary incontinence |
| Sr | Strontium (element) |
| T.I. | thoracic inlet |
| TCD | transcranial doppler |
| TCH | turn, cough, hyperinflate |
| TIA | Transient Ischemic Attack |
| UG | urogenital |
| UTV | ultrasound transmission velocity |
| a/g ratio | Albumin to globulin ratio. |
| bisp. | bispinous diameter (interspinous diameter) |
| ddI | didanosine |
| dil | dilation; dilatation |
| fib | fibrillation |
| h/a | headache |
| mIU | milli-international unit |
| path | pathologist; pathology |
| pd | pupillary distance; prism diopter |
| simul | simultaneously |
