14 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
excretion • Acute ... Normal, Renin High ... hypoplasia Aldosterone high ... Diagnosis #algorithm #nephrology ... #potassium #differential
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... deficiency • Drugs ... Hyperphosphatemia, Acute ... Hypocalcemia #Workup #Differential ... Diagnosis #Algorithm #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Acute Kidney Injury ... (AKI) - Differential ... Congestion • Medications ... Infection-mediated, Drug-induced ... #Diagnosis #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... - Insulin (high ... hypomagnesemia #Medications ... #differential # ... diagnosis #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dark; • Slow redilation ... Young females Differential ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Acidosis Causes of High-anion ... Renal failure (acute ... Metabolic #Acidosis #differential ... diagnosis #causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... reactions Common Drugs ... Medications 2. ... #nephrology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Impairment: • Acute ... Lack of UMN/LMN signs ... #Weakness #Differential ... #Diagnosis #neurology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... reactions Common Drugs ... Medications 2. ... #nephrology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... meningeal irritation signs ... headache: - Acute ... #diagnosis #ophthalmology ... #Neurology