24 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = ... flail chest) • Low ... Extreme Elevation, Low ... Intracardiac, Pulmonary AVMs ... UnremarkableLab #AA
Causes of Altered Mental Status #Diagnosis #EM #IM #AMS #AlteredMentalStatus #Differential #Algorithm #Ddxof
Causes of Altered ... Status #Diagnosis #EM ... #IM #AMS #AlteredMentalStatus ... #Differential #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... , NGT suction, Low ... Adenoma, BAH, AME ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Intake: • Low ... Hypotension • AMS ... gastrointestinal osmotic gradient ... Differential #Diagnosis #Algorithm
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
INSPIRED OXYGEN • Low ... gas equation • Causes ... • Most common cause ... gravity-dependent gradients ... (eg, pulmonary AVMs
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... • Cisplatin, Amp ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... complications such as ... wasting from other causes ... suggests extra-renal causes ... consumption • Low
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
fibrils formed from low-molecular-weight ... Secondary amyloid A (AA ... Cardiac: • LVH, low-voltage ... Immunoglobulin light chains as ... hypoadrenalism • Nausea
Suggested diagnostic approach to a patient with exudative ascites. Low ascitic fluid protein should direct practitioners
Low ascitic fluid ... nephrotic syndrome as ... a cause for exudative ... Although nonhepatic causes ... diagnosis #workup #algorithm
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
the same color as ... helps us to see masses ... brain barrier- but masses ... give contrast, masses ... does is detect how