42 results
Inverted P Waves:
(A) Ectopic atrial rhythm
(B) Junctional rhythm 

#Inverted #PWaves #cardiology #diagnosis #ekg #ecg #electrocardiogram #differential
atrial rhythm (B) Junctional ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... #differential #
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Constipation - Differential ... Algorithm Dietary / Functional ... Fibrosis Dietary/Functional ... Withholding • Painful (e.g ... #Constipation #Differential
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
QRS #widening #ECG ... #EKG #Pharmacology ... Toxicology #Diagnosis #Differential
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
if suspected (e.g ... block (+/- daily EKG ... worsening valve function ... of infection (e.g ... Endocarditis #checklist #criticalcare
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... clinical context & EKG ... depend on renal function ... depend on renal function ... Hypokalemia #Management #CriticalCare
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
excretion and fractional ... FENa) could help differentiate ... AcuteKidneyInjury #Nephrology #CriticalCare
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... lower AV cells can function ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Modified penicillin binding proteins as mechanism of resistance to antibiotics.
Penicillin Binding Proteins (Transpeptidases) cross link peptidoglycan
and block this function ... more antibiotic (e.g ... cephalosporin (e.g ... transpeptidase which functions ... Proteins #AMR #PBP #pharmacology
Heparin, Fondaparinux, and Novel Oral Anticoagulants - Pathophysiology

Anticoagulation with parenteral (intravenous or subcutaneous) and oral anticoagulants
anticoagulant (e.g ... anticoagulant (e.g ... : Inhibits the function ... heparin (LMWH): Functions ... #Pharmacology #Pathophysiology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Post-Partum Hemorrhage - Differential ... Uterine fatigue (e.g ... chorioamnionitis) • Functional ... coagulopathy (e.g ... Hemorrhage #PPH #Differential