Medical software for the iPhone continues to be released at an amazing rate.

The most popular free app for the iPhone continues to be Epocrates’ free drug reference tool.  From the company website:

The free Epocrates Rx software for iPhone OS puts continually updated peer-reviewed drug information at your fingertips. Epocrates information has been shown to:

  • Improve patient care and safety
  • Save time
  • Reduce administrative burden
  • Enable confident clinical decisions
Epocrates for iPhone

Epocrates for iPhone

There are now a selection of medical calculators, several of which have been compared at Medical iPhone.   Most recently, QxMD has released medical calculators designed by specialists that focus on specific areas of medicine.  These tools had previously only been available for the BlackBerry.  Cardio Calc is a Cardiology app designed for anyone – not just Cardiologists – managing patients with cardiovascular disease or hyperlipidemia. 
  • Determine cardiovascular risk and guide lipid treatment using the Framingham and Reynolds Risk Scores
  • Use the CHADS2 score to guide treatment in atrial fibrillation
  • Better understand the risk of bleeding from anticoagulation in atrial fibrillation
  • Will your patient benefit from a stress test? Calculate pre-test probability of coronary artery disease.
  • Determine prognosis in heart failure using the Seattle heart failure model, Forrester heart failure class and Stevenson heart failure class.
  • Diagnose Infective Endocarditis
  • Determine predicted mortality (EuroSCORE Logistic) and risk of dialysis with cardiovascular surgery.
  • Use the TIMI risk score in ACS to help guide treatment
    Calculate ideal body weight, BMI and BSA.
  • Review classification of angina (CCS) and congestive heart failure (NYHA functional class)


Nephro Calc is a Nephrology app designed for anyone – not just Nephrologists – managing patients with renal disease or electrolyte disorders.  

  • Determine the risk of your patient requiring dialysis after angiography or cardiovascular surgery
  • Calculate creatine clearance based on a 24 hour urine collection or estimate GFR with estimation formulas
  • Calculate the water deficit for your patient with hypernatremia
  • Determine if your patient is volume contracted – calculate fractional excretion of sodium or fractional excretion of urea (for patients on diuretics)
  • Calculate anion gap and osmolal gap
  • Calculate URR and Kt/V for your dialysis patients
  • Calculate the risk of progression of membranous nephropathy
  • Estimate GFR with Cockcroft-Gault, MDRD, and the more recent Mayo Quadratic formula
  • Calculate TTKG (transtubular potassium gradient) in hypokalemia and hyperkalemia
  • Use the Henderson-Hasselbach equation to work out acid-base cases
  • Calculate access recirculation

 Learn more about Cardio Calc and Nephro Calc on iTunes.