190 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Losses Non-renal ... Transcellular shifts ... MatthewHoMD #Hypokalemia
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... Hyperkalemia ... transcellular shifts ... with impaired renal ... and underlying renal
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... oral intake Renal ... Nonreabsorbable anions • Renal ... Transcellular shift ... amzn.to/2LmUODZ #Hypokalemia
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
Management of Hyperkalemia ... Treatment guided by clinical ... Gluconate IV Shift ... Consider cause of hyperkalaemia ... recurrence #Hyperkalemia
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... • IV Fluids Shift ... (if preserved renal ... LouLectures #Hyperkalemia
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Intracellular Shift ... Renal artery stenosis ... NephTwitter) #Hypokalemia
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... Intracellular Shift ... deficiency • Renal ... Type IV RTA • Renal
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... hypomagnesemia Hypokalemia ... - Shift from extracellular ... pump inhibitor - Renal ... panitumumab) #Drugs #hypokalemia
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Occlusion (CRAO) Clinical ... vision • Pale retina ... • Immediate ophthalmology ... CRAO #Diagnosis #Clinical
Tethered Retinal Detachment on Point of Care Ultrasound (POCUS)

Retina is tethered at ora serrata and optic
Tethered Retinal ... Ultrasound (POCUS) Retina ... jchristianfox #Retinal ... Detachment #Tethered #Clinical ... Ocular #Ultrasound #Ophthalmology