20 results
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... Bell realized that ... #Phenomenon #Sign ... ophthalmology #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... the commonest cause ... #Palsy #Neurology ... #Signs #Symptoms
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... - Opioids - NSAIDS ... - Uremia - DKA ... - Hypercalcemia ... differential #diagnosis #causes
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Ketoacidosis (DKA ... diffusion of K+ out of cells ... may cause serum ... To prevent hypokalemia ... Signs/Symptoms/Complications
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... wasting from other causes ... suggests extra-renal causes ... RTA, Distal RTA, DKA ... differential #potassium #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... diuretics • NSAIDs ... differential #diagnosis #causes ... potassium #high #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
K+, ACEi/ARBs, NSAIDs ... ↓insulin (DM, DKA ... only if no clear cause ... Drives K+ into cells ... Treatment #potassium #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... diuretics • NSAIDs ... differential #diagnosis #causes ... potassium #high #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... • LDH ↑ • Hyperkalemia ... kidney tubular cells ... Diagnosis #Management #causes ... #treatment #nephrology
Hyperuricemia: Pathogenesis and Complications

 - Hypercalcemia (due to diseases like Sarcoidosis and Hyperparathyroidism) -> Accumulation of
Complications - Hypercalcemia ... turnover and lysis of cells ... WBCs, and skin cells ... Incr Breakdown of DNA ... Release of purine bases