9 results
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... PTH (High or normal ... Bony Mets - Calcium ... #Differential # ... Algorithm #causes #endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Hypercalcemia ... histoplasmosis) • Milk (calcium ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... Pancreatitis, Sepsis ... Diagnosis #Algorithm #nephrology ... #calcium
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... PTH - Frankly high ... #workup #differential ... #diagnosis #endocrinology ... #calcium #elevated
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Activating Mutation in Calcium ... Poisoning #Hypocalcemia ... #Differential # ... Algorithm #Phosphate #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... Lithium use • Calcium-sensing ... • Sarcoidosis (elevated ... #Causes #endocrinology ... #diagnosis #differential
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... Diagnosis Decreased calcium ... #Differential # ... Diagnosis #Causes #endocrinology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Eclampsia, Infection/Sepsis ... Blood transfusion, Hypercalcemia ... Reversible course Differential ... CSF: Modestly elevated ... An elevated white
Differential Diagnosis: New-Onset Seizure in the Elderly

STRUCTURAL:
 • Stroke/TIA, Subdural hematoma, mass
 • Traumatic Brain Injury
Differential Diagnosis ... Hyponatremia • Hypocalcemia ... Hyponatremia • Hypocalcemia ... Brain abscess • Sepsis ... Dementias: May also elevate