8 results
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... production to cause ... Bradycardia & hypotension ... $), ECHO ($$), Nuclear ... SPECT ($$$), PET CT
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... enzymes, Head CT ... #workup #testing ... Effectiveness #table ... #comparison
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - ... Differential Diagnosis ... and Screening Testing ... #Differential #Diagnosis ... #Workup #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... abdominal pain, diarrhea ... shortness of breath, Hypotension ... #rheumatology #comparison ... #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Putrid sputum/sour-tasting ... seen • Chest CT ... residual lesion or is clear ... #differential #causes
A blood test and/or 24 hour urine collection for the breakdown product of adrenaline & noradrenaline
is clear based ... blood or urine testing ... usually MRI or CT ... In certain cases ... can result in hypertensive
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT ... chest; CT abdomen ... full infectious work-up ... Treat underlying cause ... Oncology #HemeOnc #Diagnosis