18 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... , Cardiac enzymes ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... gap > 125mOsm/kg ... hydrogen breath test ... Chronic #Diarrhea #Workup ... #diagnosis #differential
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... arrythmias Diagnostics: EKG ... #Stress #Testing ... #cardiology #management
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Cost-Effectiveness Workup ... Cost-effective tests ... cost-effective tests ... testingCardiac ... #testing #Cost
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
demand in the setting ... pain occurs at rest ... is reflected by ECG ... #Diagnosis #Cardiology ... : The Only EKG Book
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... #Hypertension #Differential ... Causes #Screening #Workup ... #table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... smear, HIV/HCV testing ... K), H. pylori test ... , ANA (e.g., SLE
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Recurrent/persistent rest ... low (1-2) risk, +ECG ... Rx: NSTEMI/UA: stable ... #Indications #Cardiac ... catheterization #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
exam Determine Cardiac ... determine if stress test ... indicated • EKG ... Obtain EKG if: ... postoperative cardiac