11 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... • Skin and/or ... renovascular HT, Renin-secreting ... #nephrology #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
as arrhythmias and ... treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... #nephrology #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
transfusion • HTN and ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Renovascular HTN, Renin ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
transfusion • HTN and ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... - ↓ Renin ... only if no clear cause ... Management #Treatment #potassium ... #nephrology #K
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics ... #sports #hand
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... middle finger. 2) Ask ... Abnormal #clinical #video ... #neurology #PhysicalExam
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
algorithm for hypokalemia ... Tubulopathy: urine K/ ... correcting serum potassium ... continued in most cases ... differential #algorithm #nephrology
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
Wartenberg's Sign ... little finger, caused ... PhysicalExam #clinical #video ... #hand #mask #ulnar ... #neuropathy #neurology