23 results
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 ... hormone–dependent Primary ... Genetic disorders (e.g ... Renal failure, acute ... #Differential #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... pylori test (GI symptoms ... function test, ANA (e.g ... unclear, or if a primary ... #Workup #hematology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
neurodegenerative disease ... /SYMPTOMS: • CENTRAL ... Signs and symptoms ... • Primary Progressive ... ) • Acute:
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
65 years PBC Pathophysiology ... intralobular bile ducts causes ... failure PBC Signs ... and Symptoms: ... bile ducts Differential
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... - ACS, AKI, acute ... WBC >100k, + lab signs ... unless worrisome EKG
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
hypertension and signs ... renal bruit or signs ... Hypothyroidism, Primary ... Renal parenchymal disease ... #Differential #
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... severe with any type ... • Signs/Symptoms ... • Signs/Symptoms ... #differential #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... febrile illness—any type ... dormitories) - Lack of primary ... headache #redflags #signs ... #symptoms #differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... Arthritis: • Acute ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... noninflammatory Signs ... constitutional symptoms ... weeks) Can Be Caused ... #Diagnosis #MSK