CRNA Study Suite

Evidence-based calculators and reference tools · Nagelhout · Miller's · Barash
Fluid & Blood
Fluid
Fluid Calculator
Maintenance (4-2-1), NPO deficit, 3rd space, IBW, EBV, MABL with obesity adjustments.
Burns
Parkland Burn Formula
Burn fluid resuscitation with time-since-injury-adjusted hourly rate.
Transfusion
Massive Transfusion
MTP definition, 1:1:1 ratio, targets, complications, TXA, calcium replacement.
Pharmacology
Local Anesthetic
LA Max Dose / LAST
Max doses for 8 LAs, planned-dose validator, LAST treatment protocol.
Opioids
Morphine Equivalents
Opioid conversion to MME; PCA starting doses; cross-tolerance reduction.
Emergency
MH Dantrolene
Dosing, vials, diluent for Ryanodex or legacy formulation.
Volatiles
MAC by Age
Age-adjusted MAC for sevo, des, iso, N₂O. MAC-awake, MAC-BAR, targets.
Bedside Math
Respiratory
Ventilator Settings
PBW-based TV (6-8 mL/kg), PEEP, P/F ratio, A-a gradient, ARDS classification.
Cardiovascular
Hemodynamics
MAP, CPP, Shock Index, SVR, Cardiac Output.
Electrolytes
Electrolytes
Serum osmolarity, anion gap, corrected Na for hyperglycemia.
Renal
Creatinine Clearance
Cockcroft-Gault CrCl with CKD staging and drug-dosing relevance.
Preoperative Assessment
OSA Screen
STOP-BANG
8-question OSA risk screen; anesthetic implications for high-risk patients.
PONV
Apfel PONV Score
4-factor PONV risk; prophylaxis recommendations by score.
Cardiac Risk
Revised Cardiac Risk Index
Lee Index for 30-day MACE; triages need for preop cardiac workup.
PACU
Aldrete Score
Modified Aldrete PACU discharge scoring (≥9 to discharge).
Pediatrics & References
Pediatrics
Pediatric Quick-Reference
Weight estimation, ETT size/depth, 4-2-1 fluids, EBV by age, drug doses.
Reference
Weight Scalars
TBW, IBW (Devine/Hamwi/Broca), PBW, LBW, CBW side-by-side with dosing rules.
About this suite

All calculators are sourced from CRNA-relevant textbooks (Nagelhout 7th ed., Miller's 10th ed., Barash 9th ed.) with citations linking directly to the chapter author and page. Formulas appearing in more than one textbook are cross-referenced. Values that are widely-accepted clinical ranges but not explicitly published in these three sources are labeled as such.

Not intended for clinical use without institutional oversight. Always verify doses and calculations independently.