9 results
Convergence retraction nystagmus on physical exam secondary to dorsal midbrain lesion

#convergence #retraction #nystagmus #ocular #physicalexam #neurology
Convergence retraction ... exam secondary to dorsal ... retraction #nystagmus #ocular ... #physicalexam # ... neurology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Renin-secreting tumor ... Hyperplasia • Normal ... Al, Normal R - ... #nephrology #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses: • Normal ... Renin secreting tumor ... Differential #Diagnosis #Algorithm ... #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... reexposed to light; • Normal ... trauma/orbital tumor ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Convergence-Retraction Nystagmus on Physical Exam

Convergence-retraction nystagmus: irregular, jerky nystagmus, associated with convergence and retraction of both
localizes to the dorsal ... Dorsal mesencephalic ... Retraction #Nystagmus #PhysicalExam ... #clinical #ocular ... #video #neurology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Renin secreting tumor ... Liddle syndrome Low-normal ... • Distal RTA Low-normal ... #diagnosis #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Renin secreting tumor ... consumption • Low ... /Normal Blood Pressure ... #low
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Vestibulo-ocular ... movements; also normal ... myoclonic movements, tremors ... caseyalbin #PhysicalExam ... #neurology #comatose
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
follows Alexander's Law ... also amplified by convergence ... Ophthalmology #Neurology ... Clinical #Video #Ocular ... #PhysicalExam