11 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age + 10) / 4 Compare ... flail chest) • Low ... Extreme Elevation, Low ... : Atelectasis, ARDS ... Hypoxia #hypoxemia #differential
Aortic Stenosis Grading on echocardiography
The cut-offs for grading can be found in table 1. Discrepancies are
Aortic Stenosis Grading ... can be found in table ... measurements - high or low ... flow - extremes ... AorticStenosis #Classification
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... Vp: velocity of flow ... #Dysfunction #Grading ... #Classification ... Grades #Criteria #Table
Shock - Findings, Signs and Symptoms by Classification
 - Hypovolemic (Intravascular volume depletion)
 - Distributive (Vasodilation)
and Symptoms by Classification ... obstruction to blood flow ... DrEricStrong #Shock #Differential ... #Diagnosis #Classification ... #Table #CriticalCare
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... obstruction to blood flow ... #Diagnosis #Classification ... #Table #CriticalCare
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... #Hypokalemia #Differential ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... #Classification
American Society of Anesthesiologists (ASA) Classification
The ASA classification (Table) aims to predict perioperative mortality rates but
Anesthesiologists (ASA) Classification ... The ASA classification ... (Table) aims to ... or greater was compared ... or greater was compared
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Usually composed ... Erythema multiforme ... Erythemas #comparison #table ... #differential # ... #dermatology #compared
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... (It's usually low ... nodosum or erythema multiforme ... Infections #HIV #AIDS ... #pulmonary #differential