26 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential # ... diagnosis #table ... #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Hyperkalemia ... Chronic progressive ... Drug-induced hyperkalemia ... #diagnosis #causes ... #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Diagnosis Framework ... • LDH ↑ • Hyperkalemia ... /Late - Hypercalcemia ... Dialysis for severe hyperkalemia ... #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
uropathy, Metabolic causes ... (e.g., hypokalemia ... , hypercalcemia) ... Classification #Types #Nephrology ... #Diagnosis #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... Hereditary, Lithium, Hypercalcemia ... #Diagnosis #Causes ... #nephrology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
atypical symptoms): MRI ... sarcoid or other CNS ... inflammatory cause ... ) • EMG/NCS (rare ... Management #Treatment #Neurology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... • Low EABV (e.g ... • NSAlDs #Hyperkalemia ... IntercellularShift #Nephrology ... #Causes
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... • Cell Lysis (e.g ... • Digoxin #Hyperkalemia ... IntercellularShift #Nephrology ... #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... emcrit.org/ibcc/hyperkalemia ... management of hyperkalemia ... #Hyperkalemia ... Treatment #potassium #nephrology