33 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Ketoacidosis, Renal ... loss of bicarb, Renal ... GI loss of H+, Renal ... #workup #Differential ... #Diagnosis #acidosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... • Metabolic acidosis ... loss (Diarrhea) Renal ... #Algorithm #causes
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... in the urine - Renal ... Renal Loss of HCO3 ... - Renal insufficiency ... Hypoaldosteronism - Renal
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... causes • Laxative ... syndrome, Congenital adrenal ... - Metabolic acidosis ... #Hypokalemia #diagnosis
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Algorithm Low ... oral intake Renal ... Nonreabsorbable anions • Renal ... tubular acidosis ... #Algorithm #Causes
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Types of Renal Calculi ... Hypercalcemia, Renal ... Hyperuricemia, Renal ... Calculi #Types #Renal ... #causes #calculus
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Differential Algorithm Acidosis ... Renal artery stenosis ... Differential #Algorithm #Diagnosis ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... Mineralocorticoid excess - Renal ... tubular acidosis ... #Low #Potassium ... Classification #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... - Transient renal ... - Familial renal ... #Low #Magnesium ... #Workup #hypomg
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... A) Initial Evaluation ... +/- TEE (high Afib ... v Holter (r/o Afib ... #diagnosis #checklist