Tumor Lysis Syndrome – Dr. Aher
typically occurs within days after chemotherapy.
Findings of: Hyperkalemia, Hyperuricemia, Hyperphosphatemia, HYPOcalcemia (2/2 phosphate binding Calcium
Dialysis indications: Potassium >6, Cr. >10, Uric Acid >10, symptomatic hypocalcemia, Phos >10, Volume overload
Methemoglobinemia – Dr. Norby-Hill
Can happen with dapsone overdose
Dissociation between SPaO2 and PaO2
Acquired cases from medications and environment, commonly dapsone, local anesthetics, nitrites, h202
50% is fatal
Features: refractory to supplemental o2, color of blood, cyanosis, respiratory depression
Tx: methylene blue (Not in G6PD or those on SSRIs as MB is MAOI), ASCORBIC ACID, EXCHANGE TRANSFUSION
Pediatric Surgical Emergencies – Dr. Robin Lund
Early blood tinged emesis – cracked nipples
Pyloric stenosis: M>F 4:1, 3 to 5 weeks, veracious eaters, NBNB projectile every feed, dehydration, malnutrition
Appy’s usually missed the younger they are
Intuss – 6 mo to 3 yo; ddx Meckels and hsp.
Features: colicky severe, 20 min, emesis, sausage mass
NEC: sudden feeding intolerance, distention, tenderness, bilious vomiting, diarrhea, rectal bleeding
Malrotation: <1* vomiting, sick, abd distension, peritonitis.
Heme emergencies – Dr. McGee
1 single unit of donor platelets raises plts by 30k
Transfusion indications: <10k (20k if febrile or septic), <50k active bleeding, <100k CNS bleeding or neuraxial surgery
-vwb dz tx for minor bleeding is ddavp
Post transfusion purpura: alloantigen on transfused plts: t penia, purport, clinically significant bleeding. Tx IVIG
Don’t forget about HIIT if recent inpatient stint
MAHAs – non immune HA.
TMAs: microvascular hemolysis; tap, has, drug, complement, pregnancy, htn emergency
High Sensitivity Troponin – Dr. Adam Ross
6 or above reported. Anything less than 20 nl in males; <15 normal in females
>88 MI
15 or greater (change in either direction) increase is clinically significant (2 hours)
TBD if there will be poc trop in R9
Single trop undetectable with >3 hours of symptoms
Hemophilia Lecture
A is Factor VIII deficiency
B is Factor IX
Both are
VWD: VWf “chaperones” Factor VIII and facilitates its efficacy
Emicizumab: bispecific mab. Helps factor 9 and 10 work. Subcutaneous injection prophylactically.
Meds ending in -ate are for VIII deficiency.