34 results
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
b) CHF c) CVA ... ASA class If ... event, follow ACC algorithm ... surgery Stress Testing ... preoperative stress testing
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... Classification #Classes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... present on repeat testing ... reabsorption • RTA ... #Causes
Pulmonary Embolism - Risk Stratification and Prognostication based on scores and clinical features

 • Bova score
Pulmonary Embolism - Risk ... PE-related) • PESI class ... (30-day all cause ... Hemodynamics (Stable ... Pulmonary #Embolism #Risk
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... renal biopsy • Risk ... → CT urography and ... Nephrology if cause
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
interval: • Class ... disopyramide) • Class ... flecainide) • Class ... Anti-arrhythmic • Class ... 1b (lidocaine)- case
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
Medical Radiation Doses ... 50 CXRs Head CT ... Background #Radiation #Doses ... Nuclear #Comparison #Table ... #Risks #Testing
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... Tomography Angiography (CTA ... Background #Radiation #Doses ... Nuclear #Comparison #Table ... #Risks #Testing
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... differentiating kidney K wasting ... from other causes ... suggests extra-renal causes ... Hypokalemia #diagnosis #Algorithm
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... from different classes ... renovascular or endocrine causes ... Causes: • Vascular ... Hypertension #Workup #causes