56 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
interval - Only works ... Bazett's Formula: QTc ... #QTc #Interval ... Measurement #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... syncope Tests: ECG ... , Carotid U/S, EEG ... #workup #testing ... Effectiveness #table
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... and Workup Algorithm ... Pneumothorax • Pulmonary ... : • EKG • Bedside ... #Chest #Pain #Diagnosis
An Approach to Acute Dyspnea - Diagnostic Framework

From the HPI, PMH, vitals, focused physical exam (e.g.
Acute Dyspnea - Diagnostic ... physical exam (e.g ... . cardiac, pulmonary ... Dyspnea #Acute #Workup ... #Algorithm #Diagnosis
Coverage of common antibiotics used in the hospital

For empiric coverage, first define the type of infection,
prior resistance. e.g ... ESBL, KPC, VRE. etc ... #management #infectiousdisease ... pharmacology #table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... hemorrhage) - Pulmonary ... pathology (e.g. ... #Table #Causes
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... velocities, PVF: pulmonary ... atrium, PASP: pulmonary ... #Diagnosis #Cardiology ... Grades #Criteria #Table
"I MD SOAPS" Infectious Diseases Exposure History

I - Immunization - Vaccination status (age-appropriate, comorbidities, travel, etc)
M
specific food (e.g ... Current or previous work ... , rural/urban, etc ... History #Mnemonic #InfectiousDiseases ... #Diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
, splenectomy, etc ... illness script (e.g ... febrilepodcast@gmail.com #InfectiousDiseases ... #History #HPI #Diagnosis