21 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Hypomagnesemia Fractional ... loss if renal function ... Hypomagnesemia #algorithm ... differential #diagnosis #causes ... #nephrology #magnesium
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Disordered Platelet Function ... Coagulation #Bleeding ... #Causes #Hematology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... transport, renal function ... Gastrointestinal function ... #Pathophysiology ... #Nephrology #Chloride
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Definition: • Functional ... Pathophysiology: ... • Tubular function ... liver transplant evaluation ... Syndrome #Hepatology #Nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Differential Diagnosis Algorithm ... Decreased kidney function ... KidneyDisease #Nephrology ... Differential #Diagnosis #Algorithm
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... - History of bleeding ... epistaxis, gingival bleeding ... country), thyroid function ... - Bone marrow evaluation
NSAID vs ACEI/ARB effects on the Kidneys

Remember that NSAIDs and ACEI/ARB therapy have opposing effects on
NSAIDs cause vasoconstriction ... normal kidney function ... use shouldn't cause ... ACEIARB #Effects #Nephrology ... #Renal #Pathophysiology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... - Evaluation of ... unclear (often the case ... normal adrenal function ... Insufficiency #Diagnosis #Algorithm
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor Function ... Erb's Palsy is caused ... Damage to C8 and T1 leading ... Dislocation - May cause ... Myotomes #diagnosis #neurology
Esophageal Variceal Bleeding - Diagnosis and Management Summary
PRE-ENDOSCOPY
Vasoactive agents - Octreotide: 
 • 50mcg bolus →
Esophageal Variceal Bleeding ... unclear source (in case ... TIPS • Pre-TIPS evaluation ... R-sided cardiac function ... Esophageal #Variceal #Bleeding