11 results
Interpretation of Hepatitis B Serologies 
HBsAg - HBcAb (total) - HBcAb (IgM) - HBsAb
Susceptible to HBV
Immune
Interpretation of ... infection vs "Low ... diagnosis #hepatology #interpreation ... #testing #laboratory
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
type 4) - Salt wasting ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
negative if on low-gluten ... Celiac #Disease #Testing ... #Laboratory #Tests ... Diagnosis #Workup #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Cerebral Salt Wasting ... Primary polydipsia), Low ... differential #diagnosis #table
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
alterations in the setting ... only 5% of the resting ... are typically able ... #diagnosis #algorithm ... #cardiology #echocardiogram
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... Stable patients ... Orthopedic • Low ... surgery Stress Testing ... preoperative stress testing
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl > 1.6, low ... confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
alterations in the setting ... only 5% of the resting ... coronary blood flow ... are typically able ... clinica l#foamed #algorithm
Instructions for Proper Office Blood Pressure Measurement
Conditions
 • Quiet room with comfortable temperature.
 • Before measurements:
• Sitting: Arm resting ... on table with mid-arm ... diastolic with a low ... Interpretation