NEW LOWER PRICES - ACT FAST
Physician Assistant (PA)
/
Courses
/
Internal Medicine
/
Calculations & Formulae

Ace Your Internal Medicine Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Physician Assistant (PA) Students

With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.

get premium

Internal Medicine | Physician Assistant (PA) School Study Aid

Calculations & Formulae
8 Picmonics to Learn | 14 mins
Winter's Formula
Evaluates Respiratory Compensation
Used in Metabolic Acidosis
Equation
(HCO3 x 1.5 ) + 8 plus-minus 2 = PCO2
Steps
Bicarbonate (HCO3) x 1.5
+ 8
± 2
= Expected Value for PCO2
picmonic thumbnail
2 mins
TIMI Score (Thrombolysis In Myocardial Infarction)
Use
Mortality Predictor
Unstable Angina or NSTEMI
2 Week Risk of Death and Ischemic Events
AMERICA (Each is +1)
Age Greater or Equal to 65
Markers Elevated
EKG ST Changes (Greater or Equal to 0.5mm)
Risk Factors for CAD (Coronary Artery Disease)
Ischemia (2 Anginal Events in 24 Hours)
Coronary Artery Disease (CAD)
Aspirin Use in the Last 7 Days
picmonic thumbnail
3 mins
CHA2DS2-VASc for Stroke Risk in Atrial Fibrillation
CHF (+1)
Hypertension (+1)
Age 75 + (+2)
Diabetes (+1)
Stroke or TIA or Thromboembolism History (+2)
Vascular Disease (+1)
Age 65-75 Years (+1)
Sex Female (+1)
Interpretation
0 = No Anticoagulation
1 = Consider Anticoagulation
2 = Anticoagulation
picmonic thumbnail
3 mins
Calcium Correction for Hypoalbuminemia
0.8 * (Normal Albumin - Patient Albumin) + Calcium
Steps
Multiply * 0.8
Subtract (Normal Albumin - Patient Albumin)
Add Calcium
picmonic thumbnail
1 min
Corrected Na+ for Hyperglycemia
Equation
[(Glucose-100) * 0.016 ] + Na+
Steps
Glucose-100
Multiply * 0.016
Add Na+
picmonic thumbnail
1 min
Physiologic Dead Space (VD)
Tidal Volume (VT)
Partial pressure of arterial CO2 (PaCO2)
Partial pressure of CO2 in expired air (PECO2)
VD = TV x (PaCO2-PECO2) / PaCO2
picmonic thumbnail
2 mins
A-a Gradient
Partial pressure of alveolar oxygen (PAO2)
Partial Pressure of Arterial O2 (PaO2)
Normal 10 to 15 mmHg
Hypoxemia with an Abnormal A-a Gradient
Diffusion problem
Shunting (Low V/Q)
Dead space (high V/Q)
picmonic thumbnail
1 min
Alveolar Gas Equation
Equation
Partial Pressure of Alveolar Oxygen (PAO2)
Partial Pressure of Oxygen in the Inspired Air (PIO2)
PIO2 Normally Approximated = 150 mmHg
Arterial Partial Pressure of CO2 (PaCO2)
Respiratory Quotient (R)
R Normally Approximated = 0.8
PAO2 = PIO2 - (PaCO2/R)
picmonic thumbnail
1 min

Ace Your Physician Assistant (PA) Classes & Exams with Picmonic:

Over 1,990,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Physician Assistant (PA) student study app.

Picmonic for Physician Assistant (PA) covers information that is relevant to your entire Physician Assistant (PA) education. Whether you’re studying for your classes or getting ready to conquer the PANCE® or PANRE®, we’re here to help.

Works better than traditional Physician Assistant (PA) flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.

It's worth every penny