87 results
Approach to Headache - Differential Diagnosis Framework
Red Flags (SNOOPY)
S: Systemic Symptoms
N: Neuro Symptoms
O: Onset - Sudden
O:
to Headache - Differential ... Sudden O: Older age ... #Headache #Differential ... Diagnosis #algorithm #neurology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Gradient = (Patient's Age ... gradient to normal age ... A-a Gradient ≤ Age-Adjusted ... A-a Gradient > Age-Adjusted ... Hypoxia #hypoxemia #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... symptomatology Differential ... Renal #Syndrome #differential ... #diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... • Drugs • Pulmonary ... #Hyponatremia #Nephrology ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... • Drugs • Pulmonary ... #Hyponatremia #Nephrology ... #Differential #
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Pediatric Wheezing - Differential ... Abnormal: • Pulmonary ... Aspiration • GE ... Wheezing #Wheeze #Differential ... Peds #Pediatrics #Pulmonary
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Adenoma, BAH, AME ... renin activity; AME ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Pulse Pressure - Differential ... Physiologic: • Advanced age-arteriosclerosis ... - Chronic pulmonary ... Pulse #Pressure #Differential
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
Lung Signs in Pulmonary ... Diseases - One Page ... Summary of Pulmonary ... #Lung #Signs #Pulmonary ... Diseases #diagnosis #differential
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Stress, Nausea, Pulmonary ... #Hyponatremia #Differential ... Algorithm #diagnosis #nephrology