13 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... (abnormal) in nearly ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... A urine K/Cr ratio ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... syndrome Low-normal ... #potassium #differential ... #algorithm #diagnosis ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Renovascular HTN, Renin ... #causes #potassium ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... renovascular HT, Renin-secreting ... #nephrology #causes ... #low #potassium
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Unknown nature & benign ... Young females Differential ... Diagnosis: • CN ... Ill Palsy - abnormal ... #neurology #ophthalmology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
the indicated causes ... of sodium and potassium ... #Algorithm #nephrology ... #differential # ... diagnosis
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Diagnosis ECF ... other • Severe potassium ... #Diagnosis #Causes ... #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Diagnosis Framework ... Myoglobinuria: UA positive ... Monitor potassium ... #nephrology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Gram stain: Positive ... 90% • Culture: Positive ... established by CSF or urine ... /l is regarded as ... #diagnosis #neurology