2416 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "waiter's tip" position ... Dislocation - May cause ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
- Differential Diagnosis ... where we may see a positive ... Kussmauls #Sign #physicalexam ... #diagnosis #cardiology ... #differential #causes
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Medications that Can Cause ... False Positives ... medications can cause ... Protonix), may cause ... #differential #diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... Positive Hallpike ... #differential #diagnosis
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... #Pancreatitis #Causes ... #Differential #Diagnosis
Jugular Venous Pressure Measurement
Examiner places the patient in a reclined position and puts the base of
in a reclined position ... Positive: JVP > ... #Diagnosis #PhysicalExam
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... #calculations #diagnosis
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
for a CENTRAL cause ... Nystagmus #HINTS #PhysicalExam ... Clinical #Video #Positive
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman ... That causes the ... #Knee #Injury #Positive ... clinical #video #PhysicalExam