15 results
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... Hoffmanns #Sign #Reflex ... #Positive #Abnormal ... #clinical #video ... #neurology #PhysicalExam
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Idiopathic JAK-2 Positive ... - Low/Normal Erythropoietin ... #Algorithm #Causes
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... previous gaze position ... myoclonic movements, tremors ... Casey Albin MD @ ... #PhysicalExam #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Extra-renal Losses: • Normal ... Renin secreting tumor ... #Algorithm #causes ... #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Renin-secreting tumor ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... Ill Palsy - abnormal ... dissociation • Other causes ... trauma/orbital tumor ... #PhysicalExam #neurology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
disease - TSH low ... high; in some cases ... increased uptake in tumor ... antithyroglobulin antibody positive ... #differential #diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Renin secreting tumor ... consumption • Low ... /Normal Blood Pressure ... #Hypokalemia #diagnosis ... #low
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... - Differential Diagnosis ... , harsh voice, Positive ... hyperactive gag reflex ... #Dysarthria #Neurology
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
malignant, pediatric cases ... hypertension; some normal ... hypotension (may reflect ... low plasma volume ... leukocytosis, psychiatric