31 results
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent Causes ... Neuromuscular junction ... #Differential #Neurology ... #Causes #Diagnosis
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Diagnosis Algorithm Cause ... intoxication Cause ... transport, renal function ... Gastrointestinal function ... Pathophysiology #Nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Decreased kidney function ... Sterile pyuria, WBC casts ... KidneyDisease #Nephrology ... Diagnosis #Algorithm #Causes
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Neuromuscular Junction ... Weakness #Sensory #Neurology ... Diagnosis #Algorithm #Causes
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
loss if renal function ... differential #diagnosis #causes ... #nephrology #magnesium
NSAID vs ACEI/ARB effects on the Kidneys

Remember that NSAIDs and ACEI/ARB therapy have opposing effects on
NSAIDs cause vasoconstriction ... normal kidney function ... use shouldn't cause ... ACEIARB #Effects #Nephrology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor Function ... Erb's Palsy is caused ... palsy" is a common cause ... Dislocation - May cause ... Myotomes #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Neuromuscular junction ... Neuromuscular #Weakness #Causes ... differential #diagnosis #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Neuromuscular Junction ... Peripheral #Weakness #Neurology ... Diagnosis #Algorithm #Causes
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Definition: • Functional ... • Caused by splanchnic ... • Tubular function ... Exclude other AKI causes ... Syndrome #Hepatology #Nephrology