49 results
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup ... and Differential ... other hormonal causes ... #Workup #Differential ... Diagnosis #algorithm #endocrinology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... - Differential ... filling of bucket (low ... #Differential # ... #workup #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... - Differential ... Low PTH: • High ... PTHrP: - Low ... #nephrology #PTH
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 1) Clinical clues ... FeCa <1 %) - Low ... #workup #differential ... #diagnosis #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Low PTH: • Elevated ... #Differential # ... Diagnosis #Algorithm #causes ... #endocrinology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... @priti899 #Hypokalemia ... #Differential # ... Diagnosis #Algorithm #causes ... #nephrology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... insufficiency • Low ... Diagnosis #Algorithm #endocrinology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... NephTwitter) #Hypokalemia ... #Differential # ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Hypokalemia ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Gitelman's syndrome #Hypokalemia ... #Differential # ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium