31 results
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Hyperparathyroidism • Hypercalcemia ... Renal Failure, Post-Renal ... Hypocalciuria Hypercalcemia ... Paget's Disease #Hypercalcemia
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis Algorithm ... abdominal pain, hypotension ... hyponatremia, hyperkalemia ... #endocrinology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Differential Diagnosis Algorithm ... multi-drug resistance) Renal ... • AKI/CKD Mineralocorticoid ... Hyperthyroidism • Hypercalcemia ... HTN #Secondary #Nephrology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... hormone–independent Renal ... insufficiency ... Jansen disease #Hypercalcemia
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Framework Pre-Renal ... Distributive Shock, HRS, Hypercalcemia ... , Renal Artery Stenosis ... Medications Intra-Renal ... Autoimmune Post-Renal
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Adrenal Insufficiency ... Diagnosis Algorithm ... GI distress - Hypotension ... Hyponatremia, hyperkalemia ... Stimulation #StimTest #Endocrinology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
GI losses • Renal ... • Reduced GFR, AKI ... Hypothyroidism • Adrenal ... insufficiency ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
GI losses • Renal ... • Reduced GFR, AKI ... Hypothyroidism • Adrenal ... insufficiency ... #Hyponatremia #Nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
• LDH ↑ • Hyperkalemia ... /Late - Hypercalcemia ... → decreased renal ... perfusion → renal ... Dialysis for severe hyperkalemia
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Creatinine • Chronic renal ... failure • AKI ... insufficiency ... • NSAlDs #Hyperkalemia