Medical Abbreviations SYMBOL MEANING " seconds ' Ø minutes decreased increased = equal > greater than < less than D change hours x x a abd ABG ac ad lib AFB AM amt anat ant approx AV bid BP B/S BUN Bx, bx dash above any symbol indicates a mean value dot above any symbol indicates a timed event before abdomen arterial blood gas before meals as needed acid-fast bacillus aerosol mask amount anatomical anterior approximately atrioventricular twice daily blood breath sounds blood urea nitrogen biopsy entigrade, elsius compliance concentration, content & S culture & sensitivity c with A cancer B complete blood count cc cm 3 U oronary are Unit dyn dynamic compliance cl clear cm centimeter cmh2o cm water NS central nervous system O2 carbon dioxide OPD chronic obstructive pulmonary disease PPD chest percussion & postural drainage P chest physiotherapy SF cerebral spinal fluid St static compliance A clear to auscultation V cardiovascular VP central venous XR chest x-ray D discontinue DOB date of birth Dx, dx diagnosis EG (EKG) electrocardiogram ER emergency room et and E endotracheal tube F Fahrenheit, gas conc. as a decimal f frequency
FIO2 fraction of inspired O2 FOB foot of bed Fx, fx fracture g gram GI gastrointestinal gtt drop H & H hemoglobin & hematocrit h hour H2O water HM high concentration mask Hct hematocrit Hg mercury Hgb hemoglobin HHN hand-held nebulizer HOB head of bed hs at bedtime hx history I & O intake and output IU Intensive are Unit IM intramuscular inf inferior IPPB intermittent positive breathing IS incentive spirometer IV intravenous kg kilogram L, l liter, left L/min, lpm liters per minute lat lateral lb pound LLL left lower lobe LMSB left mainstem bronchus LUL left upper lobe m meter med medial meq milliequivalent mg milligram min minute ml ML mm mmhg MOV N no noc NPO NRB N O2 OR p P p PaO2 PaO2 PAO2 PAO2 PAP pc PD PEARL PO p.o. post postop preop prn psi pt P milliliter minimal leak technique millimeter millimeters of mercury minimal occlusion vol. nasal cannula number night nothing by mouth nonrebreathing bag nasotracheal oxygen operating room pulse partial after arterial O2 partial arterial O2 partial alveolar O2 partial alveolar O2 partial pulmonary artery after meals postural drainage pupils equal & reactive to light pulse oximeter by mouth posterior postoperative preoperative as needed pounds per square inch patient physical therapy
PWP q q2h qd qh qid qod qs Q Q Q s Q pulmonary wedge every every 2 hours every day every hour 4 times daily every other day quantity sufficient volume of blood flow of blood (vol./time) shunt (blood) cardiac output R, RR, resp respiratory rate Raw RB RLL RML RMSB rt. RUL Rx s S SaO2 SM SOB SpO2 stat sup SVN Sv O2 Sx t/o tid tol PR airway resistance red blood count right lower lobe right middle lobe right mainstem bronchus right right upper lobe treatment without saturation in blood arterial O2 saturation simple mask short of breath sat. by pulse oximeter immediately superior small volume nebulizer mixed venous saturation suction temperature throughout three times daily tolerated temp, pulse, resp rate USN V V V A ultrasonic nebulizer gas volume flow of gas (vol./time) alv. ventilation per min. V O2 O2 production per min. V E exp. volume per minute via VM V O2 VQ Scan VS V WB x y/o QUALIFYING a A APD APS B BPS c D E I L by way of venti-mask O2 consumption per min. ventilation-perfusion scan vital signs white blood count times year old artery or arterial alveolar ambient temp and, dry ambient temp and, saturated barometric body temp, sea level, saturated capillary dead space expired gas inspired gas lung
SPD standard temperature and PEFR peak expiratory flow rate, dry RV residual volume tidal L total lung capacity v vein, venous V vital capacity v mixed venous VD physiologic dead space example: VDanat anatomical dead space V VDA alveolar dead space L lung compliance V PULMONARY FUNION ERV FEF FEV FEV.5 FEV1 FEV3 FR FV I IRV IV MVV NIF NIP expiratory reserve volume forced expiratory flow forced expiratory volume forced exp. volume (in.5 sec.) forced exp. volume (in 1 sec.) forced exp. volume (in 3 sec.) functional residual capacity forced vital capacity inspiratory capacity inspiratory reserve volume inspiratory vital capacity max. voluntary ventilation negative inspiratory force negative inspiratory