130 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... •Electrolyte disorders ... Diagnosis #Cardiology #ECG ... #EKG
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Sinus Bradycardia in Anorexia Nervosa

The following ECG is from an 18 yr old female who presents
The following ECG ... ECG features in ... eating disorders ... Electrocardiogram #ECG ... #EKG #Clinical
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
interval - Only works ... Bazett's Formula: QTc ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
syncope Tests: ECG ... , Carotid U/S, EEG ... Syncope #diagnosis #workup ... Effectiveness #table
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Differential Diagnosis Algorithm ... Solid Tumour (e.g ... • Metabolic disorders ... Myeloproliferative Disorder ... Differential #Diagnosis #Algorithm
Male Sexual and Erectile Dysfunction - Differential Diagnosis Algorithm
Erectile Dysfunction
 - Psychological
    •
Differential Diagnosis Algorithm ... Sympathomimetic Drugs (e.g ... Interpersonal Issues (e.g ... psycho-social trauma '(e.g ... Differential #Diagnosis #Algorithm
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Infiltrative disorders ... (e.g. sarcoidosis ... - Medications (e.g ... renal diseases (e.g ... Differential #Diagnosis #Table
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Differential Diagnosis Algorithm ... • Thrombus (e.g ... Myeloproliferative disorders ... (eg. polycythemia ... Differential #Diagnosis #Algorithm
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... evaluation or workup ... 1,500 cells/µL Workup ... signs or symptoms (eg