163 results
Infectious Diarrhea - Laboratory Testing

Clostridium difficile
Salmonella enterica, Shigella spp, Campylobacter spp 
Salmonella enterica serovars Typhi and
Infectious Diarrhea ... associated with diarrhea ... including Ascaris lumbricoides ... Microsporidia (now ... #Infectious #Diarrhea
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Gl tract loss (Diarrhea ... Ureterosigmoidoscopy • HTN, Low ... causes #potassium #low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
losses (NG suction, diarrhea ... vomiting) • Low ... Algorithm #nephrology #low
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
to nonocclusive low ... flow states • ... tenderness, bloody diarrhea
Severe Mitral Stenosis- The physical examination revealed a right parasternal heave, a loud S1, a midpeaking
border, and a low-pitched ... 0.5 cm2) (see video ... Color-flow Doppler ... The slow decline ... see source for video
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Distributive Shock - Low ... Vomiting • Diarrhea
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Malabsorption, Chronic diarrhea ... • Normal or Low ... - Normal or Low
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Differential #Diagnosis #Low
Hypokalemia on EKG 

Patient presenting with severe weakness.  Patient had GI bug with vomiting/diarrhea.
with vomiting/diarrhea ... 1.7 along with low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Gastrointestinal loss: Diarrhea ... Liddle syndrome Low-normal ... EABV, Low Plasma ... • Distal RTA Low-normal ... Plasma HCO3- • Low