97 results
Calcium Electrolyte Repletion
Always correct Ca for albumin before deciding if it is abnormal
Always correct Ca ... Corrected Ca ... = Measured Ca +
Tumor markers in clinical practice
Colorectal - CEA
Hepatocellular - AFP
Pancreatic - CA 19-9
Ovarian - CA 125
Breast -
Pancreatic - CA ... 19-9 Ovarian - CA ... 125 Breast - CA
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Phosphorus -> Ca-Phos ... urine pH) • Ca-Phos
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
- often breast CA ... small cell lung CA
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Primary bronchogenic CA ... Endobronchial metastatic CA
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Plateau Phase • Ca ... leading to slow Ca ... receptors, and Ca ... MOA: Block slow Ca ... channels to prevent Ca
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
Chloride • Urine Ca
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
activation (↓ cAMP and Ca ... receptors, and Ca ... MOA: Block slow Ca ... channels to prevent Ca
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Flukes, Cholangio CA ... , Pancreatic CA,
#1,25-(OH)-D
Ca-+
Nat
ER
Na
Cytoplasmic receptor
Nuclear receptor
DNA
mRNA
#Lipid synthesis
Golgi body
Protein synthesis
Membrane lipids
CaBP
#ATPase
#Ca-+
Blood
#ATPase #Basal membrane
#Mitochondrion
Vesicle?
#Cytoplasmic #CaBP
(Ca-binding protein)
Brush border
Ca?+
#1,25-(OH)-D Ca ... CaBP #ATPase #Ca ... Cytoplasmic #CaBP (Ca-binding ... Brush border Ca