2497 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... can cause false positives ... Amphetamine false positives ... Cocaine false positives ... #drug #tests #differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
worsen with head position ... • Short-lived, positional ... Vertigo #Algorithm #differential
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
are: - Normal in position ... #Enlargement #Differential
Causes of Peripheral and Central Vertigo

Peripheral Vertigo:
 - Benign Positional Vertigo
 - Vestibular Neuronitis
 - Meniere's
Vertigo: - Benign Positional ... #PrimaryCare #Differential
SNOOP mnemonic may catch potentially life-threatening headaches
Systemic signs and disorders
Neurologic symptoms
Onset new or changed & patient
Pulsatile tinnitus, Positional ... mnemonic #headaches #Differential
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Infancy (SUDI) - Differential ... Prone Sleeping position ... Infancy #Infant #Differential
Hypotension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
Anesthesiology - Differential ... Head down position ... Anesthesiology #Differential
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Tachycardia (SVT) - Differential ... semi-recumbent position ... Tachycardia #SVT #Differential
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... in the supine position ... in the seated position ... it difficult to differentiate
Approach to Platypnea-Orthodeoxia Syndrome 
Platypnea: dyspnea when sitting or standing
Orthodeoxia: sPO2 drops > 5% in upright
5% in upright position ... normalization in lying position ... Syndrome #diagnosis #differential