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How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... Systemic Disease Prolonging ... ISNeducation #Abnormal
Algorithm for Prescribing QTC-prolonging Medications

#QTC #prolonging #Medications #Algorithm #Prescribing #management #Torsades #RiskFactors #Prolongation
Prescribing QTC-prolonging ... Medications #QTC #prolonging
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
- QT prolonging ... - Avoid QTc prolonging
SSRI Initiation
How long before increasing dose?
 • 4 wks. Initial response in 2-4 wks, max response
Most QTc-prolonging
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Infection - Abnormal ... • Tumor Normal ... • Asthma - Abnormal ... Congenital Anomaly - Normal
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
HINTS Exam - Abnormal ... to the Left 2) Abnormal ... the Right (with abnormal ... symptoms, this abnormal ... PeterJohns84 #Abnormal
HFrEF - Low Ejection Fraction on Physical Exam - Likelihood Ratios
 - Displaced Apical Impulse
 -
Apical Impulse - Abnormal ... - S3 Gallop - Normal
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... AST): • US - Normal ... LFTs #Elevated #Abnormal
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Clotting tests can be abnormal ... an inhibitor of normal ... to have 50% of normal ... the test to be normal ... Plasma → Recheck abnormal
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
at least 1): Normal ... CRP and normal ... - 0 points Abnormal ... CRP or abnormal