21 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... Hyperreflexia: • Hypocalcemia ... #differential # ... diagnosis #table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... cisplatin) - Chronic hypercalcemia ... - Chronic hypokalemia ... #Diagnosis #Table ... #Causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization causes ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Constipation - Differential Diagnosis Algorithm
Diet/Lifestyle
 • Fibre
 • Calories
 • Fluid
 • Exercise
 • Psychosocial
Medications
 •
Constipation - Differential ... Hypothyroidism • Hypokalemia ... • Hypercalcemia ... #Constipation #Differential ... Diagnosis #Algorithm #Causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
• LDH ↑ • Hyperkalemia ... Hyperphosphatemia • Hypocalcemia ... /Late - Hypercalcemia ... Myoglobinuria: UA positive ... Dialysis for severe hyperkalemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... Classification #Causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
hypertension and signs ... disorders including hypokalemia ... renal bruit or signs ... Hyperthyroidism, Hypercalcemia ... #Differential #
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Elimination (see Table ... emcrit.org/ibcc/hyperkalemia ... management of hyperkalemia ... #Hyperkalemia
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
uropathy, Metabolic causes ... (e.g., hypokalemia ... , hypercalcemia) ... disease, Drugs (e.g ... Nephrology #Diagnosis #Differential
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Intercellular Shift - Differential ... • Cell Lysis (e.g ... • Digoxin #Hyperkalemia ... Diagnosis #Algorithm #Causes